11345165137680 has 80 divisors (see below), whose sum is σ = 38367285747264. Its totient is φ = 2750343063040.

The previous prime is 11345165137633. The next prime is 11345165137693. The reversal of 11345165137680 is 8673156154311.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148702879 + ... + 2148708158.

Almost surely, 2^{11345165137680} is an apocalyptic number.

11345165137680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11345165137680 is an abundant number, since it is smaller than the sum of its proper divisors (27022120609584).

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

11345165137680 is a wasteful number, since it uses less digits than its factorization.

11345165137680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297411064 (or 4297411058 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 11345165137680 in words is "eleven trillion, three hundred forty-five billion, one hundred sixty-five million, one hundred thirty-seven thousand, six hundred eighty".