2615663051456 has 56 divisors (see below), whose sum is σ = 6388254005280. Its totient is φ = 1034767798272.

The previous prime is 2615663051447. The next prime is 2615663051459. The reversal of 2615663051456 is 6541503665162.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2615663051456² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2615663051459) 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, 224553161 + ... + 224564808.

It is an arithmetic number, because the mean of its divisors is an integer number (114075964380).

Almost surely, 2^{2615663051456} is an apocalyptic number.

2615663051456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2615663051456 is an abundant number, since it is smaller than the sum of its proper divisors (3772590953824).

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

2615663051456 is a wasteful number, since it uses less digits than its factorization.

2615663051456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449118001 (or 449117991 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 2615663051456 in words is "two trillion, six hundred fifteen billion, six hundred sixty-three million, fifty-one thousand, four hundred fifty-six".