2157215880093 has 8 divisors (see below), whose sum is σ = 2902675802400. Its totient is φ = 1424949938928.

The previous prime is 2157215880059. The next prime is 2157215880103. The reversal of 2157215880093 is 3900885127512.

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

It is not a de Polignac number, because 2157215880093 - 2¹⁶ = 2157215814557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157215880493) 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, 3298494903 + ... + 3298495556.

It is an arithmetic number, because the mean of its divisors is an integer number (362834475300).

Almost surely, 2^{2157215880093} is an apocalyptic number.

It is an amenable number.

2157215880093 is a deficient number, since it is larger than the sum of its proper divisors (745459922307).

2157215880093 is a wasteful number, since it uses less digits than its factorization.

2157215880093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596990571.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 2157215880093 in words is "two trillion, one hundred fifty-seven billion, two hundred fifteen million, eight hundred eighty thousand, ninety-three".