11399081032 has 16 divisors (see below), whose sum is σ = 21467435760. Its totient is φ = 5674431504.

The previous prime is 11399080997. The next prime is 11399081039. The reversal of 11399081032 is 23018099311.

It is a junction number, because it is equal to n+sod(n) for n = 11399080982 and 11399081000.

It is not an unprimeable number, because it can be changed into a prime (11399081039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3136698 + ... + 3140329.

It is an arithmetic number, because the mean of its divisors is an integer number (1341714735).

Almost surely, 2^11399081032 is an apocalyptic number.

It is an amenable number.

11399081032 is a deficient number, since it is larger than the sum of its proper divisors (10068354728).

11399081032 is a wasteful number, since it uses less digits than its factorization.

11399081032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277260 (or 6277256 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 11399081032 in words is "eleven billion, three hundred ninety-nine million, eighty-one thousand, thirty-two".