155812034572 has 6 divisors (see below), whose sum is σ = 272671060508. Its totient is φ = 77906017284.

The previous prime is 155812034551. The next prime is 155812034611. The reversal of 155812034572 is 275430218551.

It is a super-2 number, since 2×155812034572² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19476504318 + ... + 19476504325.

Almost surely, 2^155812034572 is an apocalyptic number.

It is an amenable number.

155812034572 is a deficient number, since it is larger than the sum of its proper divisors (116859025936).

155812034572 is a wasteful number, since it uses less digits than its factorization.

155812034572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38953008647 (or 38953008645 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 155812034572 in words is "one hundred fifty-five billion, eight hundred twelve million, thirty-four thousand, five hundred seventy-two".