53135131499 has 4 divisors (see below), whose sum is σ = 53141362680. Its totient is φ = 53128900320.

The previous prime is 53135131493. The next prime is 53135131513. The reversal of 53135131499 is 99413153135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53135131499 - 2¹² = 53135127403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53135131493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102782 + ... + 3119859.

It is an arithmetic number, because the mean of its divisors is an integer number (13285340670).

Almost surely, 2^53135131499 is an apocalyptic number.

53135131499 is a deficient number, since it is larger than the sum of its proper divisors (6231181).

53135131499 is an equidigital number, since it uses as much as digits as its factorization.

53135131499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231180.

The product of its digits is 218700, while the sum is 44.

The spelling of 53135131499 in words is "fifty-three billion, one hundred thirty-five million, one hundred thirty-one thousand, four hundred ninety-nine".