11545423255 has 16 divisors (see below), whose sum is σ = 14028144480. Its totient is φ = 9120688128.

The previous prime is 11545423243. The next prime is 11545423271. The reversal of 11545423255 is 55232454511.

It is a cyclic number.

It is not a de Polignac number, because 11545423255 - 2²¹ = 11543326103 is a prime.

It is a congruent number.

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, 1070731 + ... + 1081459.

It is an arithmetic number, because the mean of its divisors is an integer number (876759030).

Almost surely, 2^11545423255 is an apocalyptic number.

11545423255 is a deficient number, since it is larger than the sum of its proper divisors (2482721225).

11545423255 is a wasteful number, since it uses less digits than its factorization.

11545423255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410.

The product of its digits is 120000, while the sum is 37.

Adding to 11545423255 its reverse (55232454511), we get a palindrome (66777877766).

The spelling of 11545423255 in words is "eleven billion, five hundred forty-five million, four hundred twenty-three thousand, two hundred fifty-five".