2151262113 has 64 divisors (see below), whose sum is σ = 3861043200. Its totient is φ = 1028943360.

The previous prime is 2151262109. The next prime is 2151262123. The reversal of 2151262113 is 3112621512.

It is a happy number.

It is not a de Polignac number, because 2151262113 - 2² = 2151262109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151262123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1708078 + ... + 1709336.

It is an arithmetic number, because the mean of its divisors is an integer number (60328800).

Almost surely, 2^2151262113 is an apocalyptic number.

It is an amenable number.

2151262113 is a deficient number, since it is larger than the sum of its proper divisors (1709781087).

2151262113 is a wasteful number, since it uses less digits than its factorization.

2151262113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its digits is 720, while the sum is 24.

The square root of 2151262113 is about 46381.7001952279. The cubic root of 2151262113 is about 1290.9153835817.

Adding to 2151262113 its reverse (3112621512), we get a palindrome (5263883625).

The spelling of 2151262113 in words is "two billion, one hundred fifty-one million, two hundred sixty-two thousand, one hundred thirteen".