5125112455021 has 16 divisors (see below), whose sum is σ = 5521865789440. Its totient is φ = 4728718828800.

The previous prime is 5125112455019. The next prime is 5125112455031. The reversal of 5125112455021 is 1205542115215.

It is a cyclic number.

It is not a de Polignac number, because 5125112455021 - 2¹ = 5125112455019 is a prime.

It is a super-2 number, since 2×5125112455021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125112455031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466210501 + ... + 466221493.

It is an arithmetic number, because the mean of its divisors is an integer number (345116611840).

Almost surely, 2^{5125112455021} is an apocalyptic number.

It is an amenable number.

5125112455021 is a deficient number, since it is larger than the sum of its proper divisors (396753334419).

5125112455021 is a wasteful number, since it uses less digits than its factorization.

5125112455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 5125112455021 in words is "five trillion, one hundred twenty-five billion, one hundred twelve million, four hundred fifty-five thousand, twenty-one".