56121262415 has 8 divisors (see below), whose sum is σ = 67433094960. Its totient is φ = 44838623232.

The previous prime is 56121262361. The next prime is 56121262451. The reversal of 56121262415 is 51426212165.

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

It is a cyclic number.

It is not a de Polignac number, because 56121262415 - 2²⁰ = 56120213839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7294109 + ... + 7301798.

It is an arithmetic number, because the mean of its divisors is an integer number (8429136870).

Almost surely, 2^56121262415 is an apocalyptic number.

56121262415 is a deficient number, since it is larger than the sum of its proper divisors (11311832545).

56121262415 is a wasteful number, since it uses less digits than its factorization.

56121262415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14596681.

The product of its digits is 28800, while the sum is 35.

The spelling of 56121262415 in words is "fifty-six billion, one hundred twenty-one million, two hundred sixty-two thousand, four hundred fifteen".