125295249719 has 32 divisors (see below), whose sum is σ = 145940299776. Its totient is φ = 106836111360.

The previous prime is 125295249691. The next prime is 125295249721. The reversal of 125295249719 is 917942592521.

It is a de Polignac number, because none of the positive numbers 2^k-125295249719 is a prime.

It is a super-2 number, since 2×125295249719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125295246719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459719 + ... + 679655.

It is an arithmetic number, because the mean of its divisors is an integer number (4560634368).

Almost surely, 2^125295249719 is an apocalyptic number.

125295249719 is a deficient number, since it is larger than the sum of its proper divisors (20645050057).

125295249719 is a wasteful number, since it uses less digits than its factorization.

125295249719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220055.

The product of its digits is 4082400, while the sum is 56.

The spelling of 125295249719 in words is "one hundred twenty-five billion, two hundred ninety-five million, two hundred forty-nine thousand, seven hundred nineteen".