2156550414215 has 8 divisors (see below), whose sum is σ = 2601409506048. Its totient is φ = 1716207658720.

The previous prime is 2156550414197. The next prime is 2156550414253. The reversal of 2156550414215 is 5124140556512.

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

It is not a de Polignac number, because 2156550414215 - 2⁸ = 2156550413959 is a prime.

It is a Duffinian number.

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, 1129083032 + ... + 1129084941.

It is an arithmetic number, because the mean of its divisors is an integer number (325176188256).

Almost surely, 2^{2156550414215} is an apocalyptic number.

2156550414215 is a deficient number, since it is larger than the sum of its proper divisors (444859091833).

2156550414215 is a wasteful number, since it uses less digits than its factorization.

2156550414215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258168169.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 2156550414215 in words is "two trillion, one hundred fifty-six billion, five hundred fifty million, four hundred fourteen thousand, two hundred fifteen".