11530632855 has 16 divisors (see below), whose sum is σ = 21084585984. Its totient is φ = 5271146400.

The previous prime is 11530632851. The next prime is 11530632859. The reversal of 11530632855 is 55823603511.

It is an interprime number because it is at equal distance from previous prime (11530632851) and next prime (11530632859).

It is not a de Polignac number, because 11530632855 - 2² = 11530632851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530632851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54907671 + ... + 54907880.

It is an arithmetic number, because the mean of its divisors is an integer number (1317786624).

Almost surely, 2^11530632855 is an apocalyptic number.

11530632855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11530632855 is a deficient number, since it is larger than the sum of its proper divisors (9553953129).

11530632855 is a wasteful number, since it uses less digits than its factorization.

11530632855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109815566.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 11530632855 in words is "eleven billion, five hundred thirty million, six hundred thirty-two thousand, eight hundred fifty-five".