155053875512 has 16 divisors (see below), whose sum is σ = 291493109400. Its totient is φ = 77322379680.

The previous prime is 155053875497. The next prime is 155053875521. The reversal of 155053875512 is 215578350551.

It is a super-2 number, since 2×155053875512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 25566539 + ... + 25572602.

Almost surely, 2^155053875512 is an apocalyptic number.

It is an amenable number.

155053875512 is a deficient number, since it is larger than the sum of its proper divisors (136439233888).

155053875512 is a wasteful number, since it uses less digits than its factorization.

155053875512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51139526 (or 51139522 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 47.

The spelling of 155053875512 in words is "one hundred fifty-five billion, fifty-three million, eight hundred seventy-five thousand, five hundred twelve".