11455514231 has 8 divisors (see below), whose sum is σ = 13133846304. Its totient is φ = 9787639680.

The previous prime is 11455514177. The next prime is 11455514293. The reversal of 11455514231 is 13241555411.

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

It is not a de Polignac number, because 11455514231 - 2¹⁸ = 11455252087 is a prime.

It is a super-2 number, since 2×11455514231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455504231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612030 + ... + 2616411.

It is an arithmetic number, because the mean of its divisors is an integer number (1641730788).

Almost surely, 2^11455514231 is an apocalyptic number.

11455514231 is a deficient number, since it is larger than the sum of its proper divisors (1678332073).

11455514231 is an equidigital number, since it uses as much as digits as its factorization.

11455514231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228761.

The product of its digits is 12000, while the sum is 32.

The spelling of 11455514231 in words is "eleven billion, four hundred fifty-five million, five hundred fourteen thousand, two hundred thirty-one".