125861276863 has 24 divisors (see below), whose sum is σ = 146968754400. Its totient is φ = 107469992448.

The previous prime is 125861276861. The next prime is 125861276873. The reversal of 125861276863 is 368672168521.

It is a happy number.

It is not a de Polignac number, because 125861276863 - 2¹ = 125861276861 is a prime.

It is a super-2 number, since 2×125861276863² (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 (125861276861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25741323 + ... + 25746211.

It is an arithmetic number, because the mean of its divisors is an integer number (6123698100).

Almost surely, 2^125861276863 is an apocalyptic number.

125861276863 is a deficient number, since it is larger than the sum of its proper divisors (21107477537).

125861276863 is a wasteful number, since it uses less digits than its factorization.

125861276863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799 (or 6792 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 125861276863 in words is "one hundred twenty-five billion, eight hundred sixty-one million, two hundred seventy-six thousand, eight hundred sixty-three".