53011115979469 has 2 divisors, whose sum is σ = 53011115979470. Its totient is φ = 53011115979468.

The previous prime is 53011115979431. The next prime is 53011115979491. The reversal of 53011115979469 is 96497951111035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38945150766025 + 14065965213444 = 6240605^2 + 3750462^2 .

It is a cyclic number.

It is not a de Polignac number, because 53011115979469 - 2³³ = 53002526044877 is a prime.

It is a super-2 number, since 2×53011115979469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53011115973469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505557989734 + 26505557989735.

It is an arithmetic number, because the mean of its divisors is an integer number (26505557989735).

Almost surely, 2^{53011115979469} is an apocalyptic number.

It is an amenable number.

53011115979469 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011115979469 is an equidigital number, since it uses as much as digits as its factorization.

53011115979469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9185400, while the sum is 61.

The spelling of 53011115979469 in words is "fifty-three trillion, eleven billion, one hundred fifteen million, nine hundred seventy-nine thousand, four hundred sixty-nine".