2651564251560 has 256 divisors, whose sum is σ = 9792105523200. Its totient is φ = 560820298752.

The previous prime is 2651564251549. The next prime is 2651564251691. The reversal of 2651564251560 is 651524651562.

2651564251560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1245559 + ... + 2618118.

It is an arithmetic number, because the mean of its divisors is an integer number (38250412200).

Almost surely, 2^{2651564251560} is an apocalyptic number.

2651564251560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651564251560 is an abundant number, since it is smaller than the sum of its proper divisors (7140541271640).

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

2651564251560 is a wasteful number, since it uses less digits than its factorization.

2651564251560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863760 (or 3863756 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 2651564251560 in words is "two trillion, six hundred fifty-one billion, five hundred sixty-four million, two hundred fifty-one thousand, five hundred sixty".