11315305551320 has 32 divisors (see below), whose sum is σ = 25461124124400. Its totient is φ = 4525822374528.

The previous prime is 11315305551299. The next prime is 11315305551343. The reversal of 11315305551320 is 2315550351311.

It is a super-2 number, since 2×11315305551320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8758355 + ... + 9966914.

Almost surely, 2^{11315305551320} is an apocalyptic number.

11315305551320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315305551320 is an abundant number, since it is smaller than the sum of its proper divisors (14145818573080).

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

11315305551320 is a wasteful number, since it uses less digits than its factorization.

11315305551320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740387 (or 18740383 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 11315305551320 in words is "eleven trillion, three hundred fifteen billion, three hundred five million, five hundred fifty-one thousand, three hundred twenty".