2118879525 has 48 divisors (see below), whose sum is σ = 4214412800. Its totient is φ = 917645760.

The previous prime is 2118879491. The next prime is 2118879533. The reversal of 2118879525 is 5259788112.

It is not a de Polignac number, because 2118879525 - 2¹³ = 2118871333 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96235 + ... + 116184.

Almost surely, 2^2118879525 is an apocalyptic number.

2118879525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2118879525 is a deficient number, since it is larger than the sum of its proper divisors (2095533275).

2118879525 is a wasteful number, since it uses less digits than its factorization.

2118879525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212458 (or 212453 counting only the distinct ones).

The product of its digits is 403200, while the sum is 48.

The square root of 2118879525 is about 46031.2885437721. The cubic root of 2118879525 is about 1284.4052974424.

The spelling of 2118879525 in words is "two billion, one hundred eighteen million, eight hundred seventy-nine thousand, five hundred twenty-five".