155891375460 has 36 divisors (see below), whose sum is σ = 472870506108. Its totient is φ = 41571033408.

The previous prime is 155891375417. The next prime is 155891375467. The reversal of 155891375460 is 64573198551.

155891375460 is a `hidden beast` number, since 1 + 5 + 5 + 8 + 91 + 3 + 7 + 546 + 0 = 666.

155891375460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29263576356 + 126627799104 = 171066^2 + 355848^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 155891375397 and 155891375406.

It is not an unprimeable number, because it can be changed into a prime (155891375467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433031419 + ... + 433031778.

Almost surely, 2^155891375460 is an apocalyptic number.

155891375460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155891375460 is an abundant number, since it is smaller than the sum of its proper divisors (316979130648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155891375460 is a wasteful number, since it uses less digits than its factorization.

155891375460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866063212 (or 866063207 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 155891375460 in words is "one hundred fifty-five billion, eight hundred ninety-one million, three hundred seventy-five thousand, four hundred sixty".