11540922685 has 8 divisors (see below), whose sum is σ = 14663760696. Its totient is φ = 8689635840.

The previous prime is 11540922641. The next prime is 11540922707. The reversal of 11540922685 is 58622904511.

It can be written as a sum of positive squares in 4 ways, for example, as 5784058809 + 5756863876 = 76053^2 + 75874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11540922685 - 2¹⁵ = 11540889917 is a prime.

It is a super-2 number, since 2×11540922685² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67887696 + ... + 67887865.

It is an arithmetic number, because the mean of its divisors is an integer number (1832970087).

Almost surely, 2^11540922685 is an apocalyptic number.

It is an amenable number.

11540922685 is a deficient number, since it is larger than the sum of its proper divisors (3122838011).

11540922685 is a wasteful number, since it uses less digits than its factorization.

11540922685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135775583.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 11540922685 in words is "eleven billion, five hundred forty million, nine hundred twenty-two thousand, six hundred eighty-five".