7133251421857 has 16 divisors (see below), whose sum is σ = 7954380004032. Its totient is φ = 6341695139520.

The previous prime is 7133251421851. The next prime is 7133251421917. The reversal of 7133251421857 is 7581241523317.

7133251421857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7133251421857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7133251421857.

It is not an unprimeable number, because it can be changed into a prime (7133251421851) 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, 19748418 + ... + 20106379.

It is an arithmetic number, because the mean of its divisors is an integer number (497148750252).

Almost surely, 2^{7133251421857} is an apocalyptic number.

It is an amenable number.

7133251421857 is a deficient number, since it is larger than the sum of its proper divisors (821128582175).

7133251421857 is a wasteful number, since it uses less digits than its factorization.

7133251421857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39855168.

The product of its digits is 1411200, while the sum is 49.

The spelling of 7133251421857 in words is "seven trillion, one hundred thirty-three billion, two hundred fifty-one million, four hundred twenty-one thousand, eight hundred fifty-seven".