11287760715 has 96 divisors (see below), whose sum is σ = 25454048256. Its totient is φ = 4487028480.

The previous prime is 11287760663. The next prime is 11287760753. The reversal of 11287760715 is 51706778211.

11287760715 is a `hidden beast` number, since 1 + 1 + 28 + 7 + 7 + 607 + 15 = 666.

11287760715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11287760715 - 2⁷ = 11287760587 is a prime.

It is a super-2 number, since 2×11287760715² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8877 + ... + 150513.

It is an arithmetic number, because the mean of its divisors is an integer number (265146336).

Almost surely, 2^11287760715 is an apocalyptic number.

11287760715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11287760715 is an abundant number, since it is smaller than the sum of its proper divisors (14166287541).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11287760715 is a wasteful number, since it uses less digits than its factorization.

11287760715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141689 (or 141686 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 11287760715 in words is "eleven billion, two hundred eighty-seven million, seven hundred sixty thousand, seven hundred fifteen".