125656223046 has 16 divisors (see below), whose sum is σ = 251386120944. Its totient is φ = 41873128544.

The previous prime is 125656223041. The next prime is 125656223047. The reversal of 125656223046 is 640322656521.

It is a super-2 number, since 2×125656223046² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125656222989 and 125656223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125656223041) 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, 3047601 + ... + 3088556.

It is an arithmetic number, because the mean of its divisors is an integer number (15711632559).

Almost surely, 2^125656223046 is an apocalyptic number.

125656223046 is an abundant number, since it is smaller than the sum of its proper divisors (125729897898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125656223046 is a wasteful number, since it uses less digits than its factorization.

125656223046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139575.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 125656223046 its reverse (640322656521), we get a palindrome (765978879567).

The spelling of 125656223046 in words is "one hundred twenty-five billion, six hundred fifty-six million, two hundred twenty-three thousand, forty-six".