155551025332 has 6 divisors (see below), whose sum is σ = 272214294338. Its totient is φ = 77775512664.

The previous prime is 155551025323. The next prime is 155551025353. The reversal of 155551025332 is 233520155551.

It can be written as a sum of positive squares in only one way, i.e., 99758695716 + 55792329616 = 315846^2 + 236204^2 .

It is a super-2 number, since 2×155551025332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155551025291 and 155551025300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19443878163 + ... + 19443878170.

Almost surely, 2^155551025332 is an apocalyptic number.

It is an amenable number.

155551025332 is a deficient number, since it is larger than the sum of its proper divisors (116663269006).

155551025332 is a wasteful number, since it uses less digits than its factorization.

155551025332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38887756337 (or 38887756335 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 155551025332 in words is "one hundred fifty-five billion, five hundred fifty-one million, twenty-five thousand, three hundred thirty-two".