56015000661155 has 8 divisors (see below), whose sum is σ = 67218042078000. Its totient is φ = 44811973005856.

The previous prime is 56015000661083. The next prime is 56015000661227. The reversal of 56015000661155 is 55116600051065.

It is an interprime number because it is at equal distance from previous prime (56015000661083) and next prime (56015000661227).

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 56015000661155 - 2³⁰ = 56013926919331 is a prime.

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, 11105021 + ... + 15341169.

It is an arithmetic number, because the mean of its divisors is an integer number (8402255259750).

Almost surely, 2^{56015000661155} is an apocalyptic number.

56015000661155 is a deficient number, since it is larger than the sum of its proper divisors (11203041416845).

56015000661155 is a wasteful number, since it uses less digits than its factorization.

56015000661155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880773.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 56015000661155 in words is "fifty-six trillion, fifteen billion, six hundred sixty-one thousand, one hundred fifty-five".