11540928699 has 12 divisors (see below), whose sum is σ = 16952777400. Its totient is φ = 7563546144.

The previous prime is 11540928691. The next prime is 11540928709. The reversal of 11540928699 is 99682904511.

11540928699 is a `hidden beast` number, since 1 + 1 + 540 + 9 + 2 + 8 + 6 + 99 = 666.

It is not a de Polignac number, because 11540928699 - 2³ = 11540928691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11540928691) 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, 10866634 + ... + 10867695.

It is an arithmetic number, because the mean of its divisors is an integer number (1412731450).

Almost surely, 2^11540928699 is an apocalyptic number.

11540928699 is a deficient number, since it is larger than the sum of its proper divisors (5411848701).

11540928699 is a wasteful number, since it uses less digits than its factorization.

11540928699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734394 (or 21734391 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 11540928699 in words is "eleven billion, five hundred forty million, nine hundred twenty-eight thousand, six hundred ninety-nine".