60172105251 has 16 divisors (see below), whose sum is σ = 85081014144. Its totient is φ = 37696308864.

The previous prime is 60172105219. The next prime is 60172105289. The reversal of 60172105251 is 15250127106.

It is not a de Polignac number, because 60172105251 - 2⁵ = 60172105219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60172105051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884661 + ... + 950246.

It is an arithmetic number, because the mean of its divisors is an integer number (5317563384).

Almost surely, 2^60172105251 is an apocalyptic number.

60172105251 is a deficient number, since it is larger than the sum of its proper divisors (24908908893).

60172105251 is a wasteful number, since it uses less digits than its factorization.

60172105251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835570.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 60172105251 in words is "sixty billion, one hundred seventy-two million, one hundred five thousand, two hundred fifty-one".