11651285287560 has 128 divisors (see below), whose sum is σ = 35100611280000. Its totient is φ = 3093991735296.

The previous prime is 11651285287559. The next prime is 11651285287627. The reversal of 11651285287560 is 6578258215611.

It is a super-2 number, since 2×11651285287560² (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 11651285287560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27212499 + ... + 27637341.

It is an arithmetic number, because the mean of its divisors is an integer number (274223525625).

Almost surely, 2^{11651285287560} is an apocalyptic number.

11651285287560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11651285287560 is an abundant number, since it is smaller than the sum of its proper divisors (23449325992440).

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

11651285287560 is a wasteful number, since it uses less digits than its factorization.

11651285287560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425815 (or 425811 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 57.

The spelling of 11651285287560 in words is "eleven trillion, six hundred fifty-one billion, two hundred eighty-five million, two hundred eighty-seven thousand, five hundred sixty".