125320313511 has 16 divisors (see below), whose sum is σ = 185698033920. Its totient is φ = 83529636120.

The previous prime is 125320313441. The next prime is 125320313527. The reversal of 125320313511 is 115313023521.

125320313511 is a `hidden beast` number, since 1 + 25 + 320 + 313 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 125320313511 - 2⁷ = 125320313383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125320333511) 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, 344925 + ... + 607958.

It is an arithmetic number, because the mean of its divisors is an integer number (11606127120).

Almost surely, 2^125320313511 is an apocalyptic number.

125320313511 is a deficient number, since it is larger than the sum of its proper divisors (60377720409).

125320313511 is an equidigital number, since it uses as much as digits as its factorization.

125320313511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957763 (or 957757 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 125320313511 in words is "one hundred twenty-five billion, three hundred twenty million, three hundred thirteen thousand, five hundred eleven".