155106500712 has 32 divisors (see below), whose sum is σ = 390145195680. Its totient is φ = 51384974400.

The previous prime is 155106500707. The next prime is 155106500737. The reversal of 155106500712 is 217005601551.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19820539 + ... + 19828362.

It is an arithmetic number, because the mean of its divisors is an integer number (12192037365).

Almost surely, 2^155106500712 is an apocalyptic number.

155106500712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155106500712 is an abundant number, since it is smaller than the sum of its proper divisors (235038694968).

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

155106500712 is a wasteful number, since it uses less digits than its factorization.

155106500712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39649073 (or 39649069 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 155106500712 in words is "one hundred fifty-five billion, one hundred six million, five hundred thousand, seven hundred twelve".