7138121558053 has 4 divisors (see below), whose sum is σ = 7150622647168. Its totient is φ = 7125620468940.

The previous prime is 7138121558011. The next prime is 7138121558069. The reversal of 7138121558053 is 3508551218317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138121558053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7138121557988 and 7138121558006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138121553053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250543701 + ... + 6250544842.

It is an arithmetic number, because the mean of its divisors is an integer number (1787655661792).

Almost surely, 2^{7138121558053} is an apocalyptic number.

It is an amenable number.

7138121558053 is a deficient number, since it is larger than the sum of its proper divisors (12501089115).

7138121558053 is a wasteful number, since it uses less digits than its factorization.

7138121558053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501089114.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 7138121558053 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-one million, five hundred fifty-eight thousand, fifty-three".