155086435120 has 40 divisors (see below), whose sum is σ = 361310423760. Its totient is φ = 61908215040.

The previous prime is 155086435051. The next prime is 155086435121. The reversal of 155086435120 is 21534680551.

155086435120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (155086435121) 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 7 ways as a sum of consecutive naturals, for example, 1934835 + ... + 2013394.

It is an arithmetic number, because the mean of its divisors is an integer number (9032760594).

Almost surely, 2^155086435120 is an apocalyptic number.

155086435120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155086435120 is an abundant number, since it is smaller than the sum of its proper divisors (206223988640).

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

155086435120 is a wasteful number, since it uses less digits than its factorization.

155086435120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948733 (or 3948727 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 155086435120 in words is "one hundred fifty-five billion, eighty-six million, four hundred thirty-five thousand, one hundred twenty".