11371287653 has 32 divisors (see below), whose sum is σ = 13219614720. Its totient is φ = 9680077440.

The previous prime is 11371287619. The next prime is 11371287671. The reversal of 11371287653 is 35678217311.

It is not a de Polignac number, because 11371287653 - 2³² = 7076320357 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11371287673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316800 + ... + 2321702.

It is an arithmetic number, because the mean of its divisors is an integer number (413112960).

Almost surely, 2^11371287653 is an apocalyptic number.

It is an amenable number.

11371287653 is a deficient number, since it is larger than the sum of its proper divisors (1848327067).

11371287653 is a wasteful number, since it uses less digits than its factorization.

11371287653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129.

The product of its digits is 211680, while the sum is 44.

The spelling of 11371287653 in words is "eleven billion, three hundred seventy-one million, two hundred eighty-seven thousand, six hundred fifty-three".