11613649000 has 32 divisors (see below), whose sum is σ = 27175941000. Its totient is φ = 4645459200.

The previous prime is 11613648989. The next prime is 11613649063. The reversal of 11613649000 is 94631611.

It can be written as a sum of positive squares in 4 ways, for example, as 4473736996 + 7139912004 = 66886^2 + 84498^2 .

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, 5805825 + ... + 5807824.

Almost surely, 2^11613649000 is an apocalyptic number.

11613649000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11613649000 is an abundant number, since it is smaller than the sum of its proper divisors (15562292000).

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

11613649000 is a wasteful number, since it uses less digits than its factorization.

11613649000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613670 (or 11613656 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 11613649000 in words is "eleven billion, six hundred thirteen million, six hundred forty-nine thousand".