11544452155 has 16 divisors (see below), whose sum is σ = 14758168320. Its totient is φ = 8644058208.

The previous prime is 11544452147. The next prime is 11544452167. The reversal of 11544452155 is 55125444511.

It is not a de Polignac number, because 11544452155 - 2³ = 11544452147 is a prime.

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, 724167 + ... + 739936.

It is an arithmetic number, because the mean of its divisors is an integer number (922385520).

Almost surely, 2^11544452155 is an apocalyptic number.

11544452155 is a deficient number, since it is larger than the sum of its proper divisors (3213716165).

11544452155 is a wasteful number, since it uses less digits than its factorization.

11544452155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464210.

The product of its digits is 80000, while the sum is 37.

Adding to 11544452155 its reverse (55125444511), we get a palindrome (66669896666).

The spelling of 11544452155 in words is "eleven billion, five hundred forty-four million, four hundred fifty-two thousand, one hundred fifty-five".