2115523050 has 24 divisors (see below), whose sum is σ = 5246497536. Its totient is φ = 564139440.

The previous prime is 2115522977. The next prime is 2115523051. The reversal of 2115523050 is 503255112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115523050.

It is not an unprimeable number, because it can be changed into a prime (2115523051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7051594 + ... + 7051893.

It is an arithmetic number, because the mean of its divisors is an integer number (218604064).

Almost surely, 2^2115523050 is an apocalyptic number.

2115523050 is an abundant number, since it is smaller than the sum of its proper divisors (3130974486).

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

2115523050 is a wasteful number, since it uses less digits than its factorization.

2115523050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14103502 (or 14103497 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2115523050 is about 45994.8154687026. The cubic root of 2115523050 is about 1283.7267387061.

Adding to 2115523050 its reverse (503255112), we get a palindrome (2618778162).

The spelling of 2115523050 in words is "two billion, one hundred fifteen million, five hundred twenty-three thousand, fifty".