125597088646 has 16 divisors (see below), whose sum is σ = 199533970080. Its totient is φ = 59087848320.

The previous prime is 125597088619. The next prime is 125597088647. The reversal of 125597088646 is 646880795521.

It is a super-2 number, since 2×125597088646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125597088647) 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, 397965 + ... + 639976.

It is an arithmetic number, because the mean of its divisors is an integer number (12470873130).

Almost surely, 2^125597088646 is an apocalyptic number.

125597088646 is a deficient number, since it is larger than the sum of its proper divisors (73936881434).

125597088646 is a wasteful number, since it uses less digits than its factorization.

125597088646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041519.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 125597088646 in words is "one hundred twenty-five billion, five hundred ninety-seven million, eighty-eight thousand, six hundred forty-six".