151515155252 has 48 divisors (see below), whose sum is σ = 275493878352. Its totient is φ = 72852940800.

The previous prime is 151515155249. The next prime is 151515155263. The reversal of 151515155252 is 252551515151.

It can be written as a sum of positive squares in 8 ways, for example, as 48803879056 + 102711276196 = 220916^2 + 320486^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8855618 + ... + 8872710.

It is an arithmetic number, because the mean of its divisors is an integer number (5739455799).

Almost surely, 2^151515155252 is an apocalyptic number.

It is an amenable number.

151515155252 is a deficient number, since it is larger than the sum of its proper divisors (123978723100).

151515155252 is a wasteful number, since it uses less digits than its factorization.

151515155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828 (or 17826 counting only the distinct ones).

The product of its digits is 62500, while the sum is 38.

The spelling of 151515155252 in words is "one hundred fifty-one billion, five hundred fifteen million, one hundred fifty-five thousand, two hundred fifty-two".