11315440125615 has 16 divisors (see below), whose sum is σ = 18247260930048. Its totient is φ = 5987382490656.

The previous prime is 11315440125601. The next prime is 11315440125653. The reversal of 11315440125615 is 51652104451311.

It is not a de Polignac number, because 11315440125615 - 2⁸ = 11315440125359 is a prime.

It is a congruent number.

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, 2969929887 + ... + 2969933696.

It is an arithmetic number, because the mean of its divisors is an integer number (1140453808128).

Almost surely, 2^{11315440125615} is an apocalyptic number.

11315440125615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11315440125615 is a deficient number, since it is larger than the sum of its proper divisors (6931820804433).

11315440125615 is a wasteful number, since it uses less digits than its factorization.

11315440125615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939863718.

The product of its (nonzero) digits is 72000, while the sum is 39.

Adding to 11315440125615 its reverse (51652104451311), we get a palindrome (62967544576926).

The spelling of 11315440125615 in words is "eleven trillion, three hundred fifteen billion, four hundred forty million, one hundred twenty-five thousand, six hundred fifteen".