2615640445116 has 36 divisors (see below), whose sum is σ = 6636897579312. Its totient is φ = 868565011584.

The previous prime is 2615640445109. The next prime is 2615640445129. The reversal of 2615640445116 is 6115440465162.

2615640445116 is a `hidden beast` number, since 2 + 6 + 1 + 56 + 40 + 44 + 511 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138121101 + ... + 138140036.

It is an arithmetic number, because the mean of its divisors is an integer number (184358266092).

Almost surely, 2^{2615640445116} is an apocalyptic number.

It is an amenable number.

2615640445116 is an abundant number, since it is smaller than the sum of its proper divisors (4021257134196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2615640445116 is a wasteful number, since it uses less digits than its factorization.

2615640445116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276261410 (or 276261405 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 2615640445116 in words is "two trillion, six hundred fifteen billion, six hundred forty million, four hundred forty-five thousand, one hundred sixteen".