11540660554 has 16 divisors (see below), whose sum is σ = 17498992896. Its totient is φ = 5707728000.

The previous prime is 11540660539. The next prime is 11540660581. The reversal of 11540660554 is 45506604511.

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, 363249 + ... + 393739.

It is an arithmetic number, because the mean of its divisors is an integer number (1093687056).

Almost surely, 2^11540660554 is an apocalyptic number.

11540660554 is a deficient number, since it is larger than the sum of its proper divisors (5958332342).

11540660554 is a wasteful number, since it uses less digits than its factorization.

11540660554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32541.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 11540660554 in words is "eleven billion, five hundred forty million, six hundred sixty thousand, five hundred fifty-four".