11451646561060 has 24 divisors (see below), whose sum is σ = 24049974836160. Its totient is φ = 4580369661024.

The previous prime is 11451646561039. The next prime is 11451646561063. The reversal of 11451646561060 is 6016564615411.

It is a happy number.

It is a super-2 number, since 2×11451646561060² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11451646561060.

It is not an unprimeable number, because it can be changed into a prime (11451646561063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17735104 + ... + 18369463.

It is an arithmetic number, because the mean of its divisors is an integer number (1002082284840).

Almost surely, 2^{11451646561060} is an apocalyptic number.

11451646561060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11451646561060 is an abundant number, since it is smaller than the sum of its proper divisors (12598328275100).

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

11451646561060 is a wasteful number, since it uses less digits than its factorization.

11451646561060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120435 (or 36120433 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 11451646561060 in words is "eleven trillion, four hundred fifty-one billion, six hundred forty-six million, five hundred sixty-one thousand, sixty".