11907822545 has 16 divisors (see below), whose sum is σ = 14954958720. Its totient is φ = 9085004544.

The previous prime is 11907822539. The next prime is 11907822571. The reversal of 11907822545 is 54522870911.

It is a cyclic number.

It is not a de Polignac number, because 11907822545 - 2²² = 11903628241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11907822496 and 11907822505.

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, 114875 + ... + 192384.

It is an arithmetic number, because the mean of its divisors is an integer number (934684920).

Almost surely, 2^11907822545 is an apocalyptic number.

It is an amenable number.

11907822545 is a deficient number, since it is larger than the sum of its proper divisors (3047136175).

11907822545 is a wasteful number, since it uses less digits than its factorization.

11907822545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307624.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 11907822545 in words is "eleven billion, nine hundred seven million, eight hundred twenty-two thousand, five hundred forty-five".