2151502455 has 64 divisors (see below), whose sum is σ = 3808862208. Its totient is φ = 1033274880.

The previous prime is 2151502453. The next prime is 2151502477. The reversal of 2151502455 is 5542051512.

It is not a de Polignac number, because 2151502455 - 2¹ = 2151502453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151502453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 392997 + ... + 398433.

It is an arithmetic number, because the mean of its divisors is an integer number (59513472).

Almost surely, 2^2151502455 is an apocalyptic number.

2151502455 is a deficient number, since it is larger than the sum of its proper divisors (1657359753).

2151502455 is a wasteful number, since it uses less digits than its factorization.

2151502455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2151502455 is about 46384.2910369448. The cubic root of 2151502455 is about 1290.9634560798.

Adding to 2151502455 its reverse (5542051512), we get a palindrome (7693553967).

The spelling of 2151502455 in words is "two billion, one hundred fifty-one million, five hundred two thousand, four hundred fifty-five".