155213556460 has 24 divisors (see below), whose sum is σ = 326016141696. Its totient is φ = 62072532480.

The previous prime is 155213556437. The next prime is 155213556481. The reversal of 155213556460 is 64655312551.

It is a happy number.

155213556460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 706597 + ... + 899836.

It is an arithmetic number, because the mean of its divisors is an integer number (13584005904).

Almost surely, 2^155213556460 is an apocalyptic number.

155213556460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155213556460 is an abundant number, since it is smaller than the sum of its proper divisors (170802585236).

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

155213556460 is a wasteful number, since it uses less digits than its factorization.

155213556460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611273 (or 1611271 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 155213556460 in words is "one hundred fifty-five billion, two hundred thirteen million, five hundred fifty-six thousand, four hundred sixty".