2152207881 has 32 divisors (see below), whose sum is σ = 3364368000. Its totient is φ = 1356009984.

The previous prime is 2152207873. The next prime is 2152207901. The reversal of 2152207881 is 1887022512.

It is not a de Polignac number, because 2152207881 - 2³ = 2152207873 is a prime.

It is a super-2 number, since 2×2152207881² = 9263997526077020322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2152207801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217285 + ... + 226973.

It is an arithmetic number, because the mean of its divisors is an integer number (105136500).

Almost surely, 2^2152207881 is an apocalyptic number.

It is an amenable number.

2152207881 is a deficient number, since it is larger than the sum of its proper divisors (1212160119).

2152207881 is a wasteful number, since it uses less digits than its factorization.

2152207881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150 (or 10144 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2152207881 is about 46391.8945614425. The cubic root of 2152207881 is about 1291.1045326367.

The spelling of 2152207881 in words is "two billion, one hundred fifty-two million, two hundred seven thousand, eight hundred eighty-one".