2102544351315 has 48 divisors (see below), whose sum is σ = 3687345698400. Its totient is φ = 1108159658496.

The previous prime is 2102544351301. The next prime is 2102544351317. The reversal of 2102544351315 is 5131534452012.

2102544351315 is a `hidden beast` number, since 2 + 1 + 0 + 254 + 43 + 51 + 315 = 666.

It is not a de Polignac number, because 2102544351315 - 2²³ = 2102535962707 is a prime.

It is a super-2 number, since 2×2102544351315² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102544351315.

It is not an unprimeable number, because it can be changed into a prime (2102544351317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7336741 + ... + 7617929.

It is an arithmetic number, because the mean of its divisors is an integer number (76819702050).

Almost surely, 2^{2102544351315} is an apocalyptic number.

2102544351315 is a deficient number, since it is larger than the sum of its proper divisors (1584801347085).

2102544351315 is a wasteful number, since it uses less digits than its factorization.

2102544351315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283156 (or 283153 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 2102544351315 in words is "two trillion, one hundred two billion, five hundred forty-four million, three hundred fifty-one thousand, three hundred fifteen".