11545312755 has 8 divisors (see below), whose sum is σ = 18472500432. Its totient is φ = 6157500128.

The previous prime is 11545312693. The next prime is 11545312763. The reversal of 11545312755 is 55721354511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11545312755 - 2⁹ = 11545312243 is a prime.

It is a super-2 number, since 2×11545312755² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384843744 + ... + 384843773.

It is an arithmetic number, because the mean of its divisors is an integer number (2309062554).

Almost surely, 2^11545312755 is an apocalyptic number.

11545312755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11545312755 is a deficient number, since it is larger than the sum of its proper divisors (6927187677).

11545312755 is an equidigital number, since it uses as much as digits as its factorization.

11545312755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769687525.

The product of its digits is 105000, while the sum is 39.

The spelling of 11545312755 in words is "eleven billion, five hundred forty-five million, three hundred twelve thousand, seven hundred fifty-five".