53431544511 has 16 divisors (see below), whose sum is σ = 79162110720. Its totient is φ = 35619109560.

The previous prime is 53431544447. The next prime is 53431544519. The reversal of 53431544511 is 11544513435.

53431544511 is a `hidden beast` number, since 5 + 34 + 31 + 544 + 51 + 1 = 666.

It is not a de Polignac number, because 53431544511 - 2⁶ = 53431544447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53431544519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604216 + ... + 686978.

It is an arithmetic number, because the mean of its divisors is an integer number (4947631920).

Almost surely, 2^53431544511 is an apocalyptic number.

53431544511 is a deficient number, since it is larger than the sum of its proper divisors (25730566209).

53431544511 is a wasteful number, since it uses less digits than its factorization.

53431544511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106683 (or 106677 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 53431544511 in words is "fifty-three billion, four hundred thirty-one million, five hundred forty-four thousand, five hundred eleven".