11545364263 has 4 divisors (see below), whose sum is σ = 11545838920. Its totient is φ = 11544889608.

The previous prime is 11545364219. The next prime is 11545364267. The reversal of 11545364263 is 36246354511.

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 11545364263 - 2²¹ = 11543267111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545364267) 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, 198753 + ... + 250186.

It is an arithmetic number, because the mean of its divisors is an integer number (2886459730).

Almost surely, 2^11545364263 is an apocalyptic number.

11545364263 is a deficient number, since it is larger than the sum of its proper divisors (474657).

11545364263 is an equidigital number, since it uses as much as digits as its factorization.

11545364263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474656.

The product of its digits is 259200, while the sum is 40.

The spelling of 11545364263 in words is "eleven billion, five hundred forty-five million, three hundred sixty-four thousand, two hundred sixty-three".