53011115979331 has 2 divisors, whose sum is σ = 53011115979332. Its totient is φ = 53011115979330.

The previous prime is 53011115979299. The next prime is 53011115979361. The reversal of 53011115979331 is 13397951111035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53011115979331 - 2⁵ = 53011115979299 is a prime.

It is a super-2 number, since 2×53011115979331² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53011115979361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505557989665 + 26505557989666.

It is an arithmetic number, because the mean of its divisors is an integer number (26505557989666).

Almost surely, 2^{53011115979331} is an apocalyptic number.

53011115979331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011115979331 is an equidigital number, since it uses as much as digits as its factorization.

53011115979331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725, while the sum is 49.

The spelling of 53011115979331 in words is "fifty-three trillion, eleven billion, one hundred fifteen million, nine hundred seventy-nine thousand, three hundred thirty-one".