7138123775024 has 20 divisors (see below), whose sum is σ = 15087397979400. Its totient is φ = 3244601715840.

The previous prime is 7138123774987. The next prime is 7138123775051. The reversal of 7138123775024 is 4205773218317.

It is a happy number.

It is a super-2 number, since 2×7138123775024² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20278760549 + ... + 20278760900.

It is an arithmetic number, because the mean of its divisors is an integer number (754369898970).

Almost surely, 2^{7138123775024} is an apocalyptic number.

It is an amenable number.

7138123775024 is an abundant number, since it is smaller than the sum of its proper divisors (7949274204376).

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

7138123775024 is a wasteful number, since it uses less digits than its factorization.

7138123775024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40557521468 (or 40557521462 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 7138123775024 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, seven hundred seventy-five thousand, twenty-four".