125499112762090 has 16 divisors (see below), whose sum is σ = 226611016236072. Its totient is φ = 50041286601664.

The previous prime is 125499112762081. The next prime is 125499112762109. The reversal of 125499112762090 is 90267211994521.

It can be written as a sum of positive squares in 4 ways, for example, as 37715086670121 + 87784026091969 = 6141261^2 + 9369313^2 .

It is a super-2 number, since 2×125499112762090² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19794809569 + ... + 19794815908.

Almost surely, 2^{125499112762090} is an apocalyptic number.

125499112762090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125499112762090 is a deficient number, since it is larger than the sum of its proper divisors (101111903473982).

125499112762090 is a wasteful number, since it uses less digits than its factorization.

125499112762090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39589625801.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 125499112762090 in words is "one hundred twenty-five trillion, four hundred ninety-nine billion, one hundred twelve million, seven hundred sixty-two thousand, ninety".