125131895077 has 8 divisors (see below), whose sum is σ = 144966892736. Its totient is φ = 105786650592.

The previous prime is 125131895059. The next prime is 125131895093. The reversal of 125131895077 is 770598131521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-125131895077 is a prime.

It is a super-2 number, since 2×125131895077² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125131895077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125131895377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122437743 + ... + 122438764.

It is an arithmetic number, because the mean of its divisors is an integer number (18120861592).

Almost surely, 2^125131895077 is an apocalyptic number.

It is an amenable number.

125131895077 is a deficient number, since it is larger than the sum of its proper divisors (19834997659).

125131895077 is an equidigital number, since it uses as much as digits as its factorization.

125131895077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244876587.

The product of its (nonzero) digits is 529200, while the sum is 49.

The spelling of 125131895077 in words is "one hundred twenty-five billion, one hundred thirty-one million, eight hundred ninety-five thousand, seventy-seven".