2115575025075 has 18 divisors (see below), whose sum is σ = 3789229934204. Its totient is φ = 1128306679920.

The previous prime is 2115575025059. The next prime is 2115575025079. The reversal of 2115575025075 is 5705205755112.

2115575025075 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 575 + 0 + 2 + 5 + 0 + 75 = 666.

It is not a de Polignac number, because 2115575025075 - 2⁴ = 2115575025059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115575025075.

It is not an unprimeable number, because it can be changed into a prime (2115575025079) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4701277609 + ... + 4701278058.

Almost surely, 2^{2115575025075} is an apocalyptic number.

2115575025075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2115575025075 is a deficient number, since it is larger than the sum of its proper divisors (1673654909129).

2115575025075 is a wasteful number, since it uses less digits than its factorization.

2115575025075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402555683 (or 9402555675 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 45.

The spelling of 2115575025075 in words is "two trillion, one hundred fifteen billion, five hundred seventy-five million, twenty-five thousand, seventy-five".