155882230512 has 40 divisors (see below), whose sum is σ = 416581826640. Its totient is φ = 50168993280.

The previous prime is 155882230501. The next prime is 155882230547. The reversal of 155882230512 is 215032288551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55990789 + ... + 55993572.

It is an arithmetic number, because the mean of its divisors is an integer number (10414545666).

Almost surely, 2^155882230512 is an apocalyptic number.

155882230512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155882230512 is an abundant number, since it is smaller than the sum of its proper divisors (260699596128).

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

155882230512 is a wasteful number, since it uses less digits than its factorization.

155882230512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111984401 (or 111984395 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 155882230512 in words is "one hundred fifty-five billion, eight hundred eighty-two million, two hundred thirty thousand, five hundred twelve".