2656216231125 has 32 divisors (see below), whose sum is σ = 4485913161600. Its totient is φ = 1395504633600.

The previous prime is 2656216231103. The next prime is 2656216231127. The reversal of 2656216231125 is 5211326126562.

It is not a de Polignac number, because 2656216231125 - 2⁸ = 2656216230869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656216231127) 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, 52834900 + ... + 52885149.

It is an arithmetic number, because the mean of its divisors is an integer number (140184786300).

Almost surely, 2^{2656216231125} is an apocalyptic number.

2656216231125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656216231125 is a deficient number, since it is larger than the sum of its proper divisors (1829696930475).

2656216231125 is a wasteful number, since it uses less digits than its factorization.

2656216231125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105720134 (or 105720124 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 2656216231125 in words is "two trillion, six hundred fifty-six billion, two hundred sixteen million, two hundred thirty-one thousand, one hundred twenty-five".