2515421155 has 8 divisors (see below), whose sum is σ = 3250698192. Its totient is φ = 1857541728.

The previous prime is 2515421143. The next prime is 2515421159. The reversal of 2515421155 is 5511245152.

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

It is a cyclic number.

It is not a de Polignac number, because 2515421155 - 2⁵ = 2515421123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515421159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19349329 + ... + 19349458.

It is an arithmetic number, because the mean of its divisors is an integer number (406337274).

Almost surely, 2^2515421155 is an apocalyptic number.

2515421155 is a deficient number, since it is larger than the sum of its proper divisors (735277037).

2515421155 is a wasteful number, since it uses less digits than its factorization.

2515421155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38698805.

The product of its digits is 10000, while the sum is 31.

The square root of 2515421155 is about 50153.9744686301. The cubic root of 2515421155 is about 1359.9937202348.

The spelling of 2515421155 in words is "two billion, five hundred fifteen million, four hundred twenty-one thousand, one hundred fifty-five".