2115702156 has 24 divisors (see below), whose sum is σ = 5227029360. Its totient is φ = 663749632.

The previous prime is 2115702137. The next prime is 2115702157. The reversal of 2115702156 is 6512075112.

It is a super-2 number, since 2×2115702156² = 8952391225806096672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115702157) 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, 5185341 + ... + 5185748.

It is an arithmetic number, because the mean of its divisors is an integer number (217792890).

Almost surely, 2^2115702156 is an apocalyptic number.

It is an amenable number.

2115702156 is an abundant number, since it is smaller than the sum of its proper divisors (3111327204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115702156 is a wasteful number, since it uses less digits than its factorization.

2115702156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371113 (or 10371111 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2115702156 is about 45996.7624512856. The cubic root of 2115702156 is about 1283.7629656293.

Adding to 2115702156 its reverse (6512075112), we get a palindrome (8627777268).

The spelling of 2115702156 in words is "two billion, one hundred fifteen million, seven hundred two thousand, one hundred fifty-six".