2115642153 has 8 divisors (see below), whose sum is σ = 2969322400. Its totient is φ = 1336195008.

The previous prime is 2115642121. The next prime is 2115642157. The reversal of 2115642153 is 3512465112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2115642153 - 2⁵ = 2115642121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115642153.

It is not an unprimeable number, because it can be changed into a prime (2115642157) 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, 18558208 + ... + 18558321.

It is an arithmetic number, because the mean of its divisors is an integer number (371165300).

Almost surely, 2^2115642153 is an apocalyptic number.

It is an amenable number.

2115642153 is a deficient number, since it is larger than the sum of its proper divisors (853680247).

2115642153 is a wasteful number, since it uses less digits than its factorization.

2115642153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37116551.

The product of its digits is 7200, while the sum is 30.

The square root of 2115642153 is about 45996.1101942327. The cubic root of 2115642153 is about 1283.7508293341.

The spelling of 2115642153 in words is "two billion, one hundred fifteen million, six hundred forty-two thousand, one hundred fifty-three".