172725057051 has 8 divisors (see below), whose sum is σ = 230311810560. Its totient is φ = 115144170792.

The previous prime is 172725057031. The next prime is 172725057053. The reversal of 172725057051 is 150750527271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172725057051 - 2⁵ = 172725057019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172725056994 and 172725057012.

It is not an unprimeable number, because it can be changed into a prime (172725057053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397655 + ... + 1516208.

It is an arithmetic number, because the mean of its divisors is an integer number (28788976320).

Almost surely, 2^172725057051 is an apocalyptic number.

172725057051 is a deficient number, since it is larger than the sum of its proper divisors (57586753509).

172725057051 is a wasteful number, since it uses less digits than its factorization.

172725057051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933625.

The product of its (nonzero) digits is 171500, while the sum is 42.

The spelling of 172725057051 in words is "one hundred seventy-two billion, seven hundred twenty-five million, fifty-seven thousand, fifty-one".