2115465155 has 8 divisors (see below), whose sum is σ = 2538897792. Its totient is φ = 1692145728.

The previous prime is 2115465137. The next prime is 2115465167. The reversal of 2115465155 is 5515645112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115465155 is a prime.

It is a Duffinian number.

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, 20447 + ... + 68183.

It is an arithmetic number, because the mean of its divisors is an integer number (317362224).

Almost surely, 2^2115465155 is an apocalyptic number.

2115465155 is a deficient number, since it is larger than the sum of its proper divisors (423432637).

2115465155 is an equidigital number, since it uses as much as digits as its factorization.

2115465155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56605.

The product of its digits is 30000, while the sum is 35.

The square root of 2115465155 is about 45994.1860999844. The cubic root of 2115465155 is about 1283.7150281211.

The spelling of 2115465155 in words is "two billion, one hundred fifteen million, four hundred sixty-five thousand, one hundred fifty-five".