125917113746 has 4 divisors (see below), whose sum is σ = 188875670622. Its totient is φ = 62958556872.

The previous prime is 125917113739. The next prime is 125917113761. The reversal of 125917113746 is 647311719521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647311719521 = 106243 ⋅6092747.

It can be written as a sum of positive squares in only one way, i.e., 72609230521 + 53307883225 = 269461^2 + 230885^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125917113746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31479278435 + ... + 31479278438.

Almost surely, 2^125917113746 is an apocalyptic number.

125917113746 is a deficient number, since it is larger than the sum of its proper divisors (62958556876).

125917113746 is an equidigital number, since it uses as much as digits as its factorization.

125917113746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62958556875.

The product of its digits is 317520, while the sum is 47.

The spelling of 125917113746 in words is "one hundred twenty-five billion, nine hundred seventeen million, one hundred thirteen thousand, seven hundred forty-six".