11510455450523 has 4 divisors (see below), whose sum is σ = 11881760465088. Its totient is φ = 11139150435960.

The previous prime is 11510455450513. The next prime is 11510455450567. The reversal of 11510455450523 is 32505455401511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11510455450523 - 2²⁶ = 11510388341659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11510455450513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185652507236 + ... + 185652507297.

It is an arithmetic number, because the mean of its divisors is an integer number (2970440116272).

Almost surely, 2^{11510455450523} is an apocalyptic number.

11510455450523 is a deficient number, since it is larger than the sum of its proper divisors (371305014565).

11510455450523 is an equidigital number, since it uses as much as digits as its factorization.

11510455450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371305014564.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 11510455450523 in words is "eleven trillion, five hundred ten billion, four hundred fifty-five million, four hundred fifty thousand, five hundred twenty-three".