2115501244 has 12 divisors (see below), whose sum is σ = 3705100000. Its totient is φ = 1056901248.

The previous prime is 2115501221. The next prime is 2115501247. The reversal of 2115501244 is 4421055112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115501247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206724 + ... + 216715.

Almost surely, 2^2115501244 is an apocalyptic number.

It is an amenable number.

2115501244 is a deficient number, since it is larger than the sum of its proper divisors (1589598756).

2115501244 is a wasteful number, since it uses less digits than its factorization.

2115501244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424692 (or 424690 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2115501244 is about 45994.5784196355. The cubic root of 2115501244 is about 1283.7223279701.

Adding to 2115501244 its reverse (4421055112), we get a palindrome (6536556356).

The spelling of 2115501244 in words is "two billion, one hundred fifteen million, five hundred one thousand, two hundred forty-four".