2155024502 has 4 divisors (see below), whose sum is σ = 3232536756. Its totient is φ = 1077512250.

The previous prime is 2155024477. The next prime is 2155024513. The reversal of 2155024502 is 2054205512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538756124 + ... + 538756127.

It is an arithmetic number, because the mean of its divisors is an integer number (808134189).

Almost surely, 2^2155024502 is an apocalyptic number.

2155024502 is a deficient number, since it is larger than the sum of its proper divisors (1077512254).

2155024502 is a wasteful number, since it uses less digits than its factorization.

2155024502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077512253.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2155024502 is about 46422.2414581631. The cubic root of 2155024502 is about 1291.6675152562.

The spelling of 2155024502 in words is "two billion, one hundred fifty-five million, twenty-four thousand, five hundred two".