2115523002 has 16 divisors (see below), whose sum is σ = 4334242752. Its totient is φ = 687974880.

The previous prime is 2115522977. The next prime is 2115523051. The reversal of 2115523002 is 2003255112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115523002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4299598 + ... + 4300089.

It is an arithmetic number, because the mean of its divisors is an integer number (270890172).

Almost surely, 2^2115523002 is an apocalyptic number.

2115523002 is an abundant number, since it is smaller than the sum of its proper divisors (2218719750).

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

2115523002 is a wasteful number, since it uses less digits than its factorization.

2115523002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8599733.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2115523002 is about 45994.8149469046. The cubic root of 2115523002 is about 1283.7267289971.

Adding to 2115523002 its reverse (2003255112), we get a palindrome (4118778114).

The spelling of 2115523002 in words is "two billion, one hundred fifteen million, five hundred twenty-three thousand, two".