11551642016 has 24 divisors (see below), whose sum is σ = 22749380640. Its totient is φ = 5774021568.

The previous prime is 11551642013. The next prime is 11551642019. The reversal of 11551642016 is 61024615511.

It is an interprime number because it is at equal distance from previous prime (11551642013) and next prime (11551642019).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (11551642013) 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, 51245 + ... + 160403.

It is an arithmetic number, because the mean of its divisors is an integer number (947890860).

Almost surely, 2^11551642016 is an apocalyptic number.

11551642016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11551642016 is a deficient number, since it is larger than the sum of its proper divisors (11197738624).

11551642016 is a wasteful number, since it uses less digits than its factorization.

11551642016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112476 (or 112468 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 11551642016 in words is "eleven billion, five hundred fifty-one million, six hundred forty-two thousand, sixteen".