11507321438065 has 16 divisors (see below), whose sum is σ = 13812789669120. Its totient is φ = 9203188261120.

The previous prime is 11507321438047. The next prime is 11507321438111. The reversal of 11507321438065 is 56083412370511.

It is not a de Polignac number, because 11507321438065 - 2²⁹ = 11506784567153 is a prime.

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, 355488201 + ... + 355520569.

It is an arithmetic number, because the mean of its divisors is an integer number (863299354320).

Almost surely, 2^{11507321438065} is an apocalyptic number.

It is an amenable number.

11507321438065 is a deficient number, since it is larger than the sum of its proper divisors (2305468231055).

11507321438065 is a wasteful number, since it uses less digits than its factorization.

11507321438065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50792.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 11507321438065 in words is "eleven trillion, five hundred seven billion, three hundred twenty-one million, four hundred thirty-eight thousand, sixty-five".