7138878151375 has 16 divisors (see below), whose sum is σ = 9116513426592. Its totient is φ = 5578286179200.

The previous prime is 7138878151303. The next prime is 7138878151519. The reversal of 7138878151375 is 5731518788317.

It is not a de Polignac number, because 7138878151375 - 2⁹ = 7138878150863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664076314 + ... + 664087063.

It is an arithmetic number, because the mean of its divisors is an integer number (569782089162).

Almost surely, 2^{7138878151375} is an apocalyptic number.

7138878151375 is a deficient number, since it is larger than the sum of its proper divisors (1977635275217).

7138878151375 is a wasteful number, since it uses less digits than its factorization.

7138878151375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328163435 (or 1328163425 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 64.

The spelling of 7138878151375 in words is "seven trillion, one hundred thirty-eight billion, eight hundred seventy-eight million, one hundred fifty-one thousand, three hundred seventy-five".