7138121573552 has 20 divisors (see below), whose sum is σ = 13862198985696. Its totient is φ = 3560779899840.

The previous prime is 7138121573543. The next prime is 7138121573573. The reversal of 7138121573552 is 2553751218317.

It is a self number, because there is not a number n which added to its sum of digits gives 7138121573552.

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, 517548323 + ... + 517562114.

Almost surely, 2^{7138121573552} is an apocalyptic number.

It is an amenable number.

7138121573552 is a deficient number, since it is larger than the sum of its proper divisors (6724077412144).

7138121573552 is a wasteful number, since it uses less digits than its factorization.

7138121573552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035110876 (or 1035110870 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 50.

The spelling of 7138121573552 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-one million, five hundred seventy-three thousand, five hundred fifty-two".