11815140753 has 12 divisors (see below), whose sum is σ = 18379108020. Its totient is φ = 7270855776.

The previous prime is 11815140749. The next prime is 11815140761. The reversal of 11815140753 is 35704151811.

It is a happy number.

11815140753 is a `hidden beast` number, since 11 + 81 + 514 + 0 + 7 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 983951424 + 10831189329 = 31368^2 + 104073^2 .

It is not a de Polignac number, because 11815140753 - 2² = 11815140749 is a prime.

It is a super-3 number, since 3×11815140753³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11815140713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50491938 + ... + 50492171.

It is an arithmetic number, because the mean of its divisors is an integer number (1531592335).

Almost surely, 2^11815140753 is an apocalyptic number.

11815140753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11815140753 is a deficient number, since it is larger than the sum of its proper divisors (6563967267).

11815140753 is a wasteful number, since it uses less digits than its factorization.

11815140753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100984128 (or 100984125 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 11815140753 in words is "eleven billion, eight hundred fifteen million, one hundred forty thousand, seven hundred fifty-three".