115511405045 has 8 divisors (see below), whose sum is σ = 138625396920. Its totient is φ = 92401316800.

The previous prime is 115511405041. The next prime is 115511405057. The reversal of 115511405045 is 540504115511.

It can be written as a sum of positive squares in 4 ways, for example, as 21854595889 + 93656809156 = 147833^2 + 306034^2 .

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

It is not a de Polignac number, because 115511405045 - 2² = 115511405041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115511405041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910406 + ... + 1029495.

It is an arithmetic number, because the mean of its divisors is an integer number (17328174615).

Almost surely, 2^115511405045 is an apocalyptic number.

It is an amenable number.

115511405045 is a deficient number, since it is larger than the sum of its proper divisors (23113991875).

115511405045 is a wasteful number, since it uses less digits than its factorization.

115511405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951815.

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 115511405045 in words is "one hundred fifteen billion, five hundred eleven million, four hundred five thousand, forty-five".