2125151015 has 16 divisors (see below), whose sum is σ = 2756146176. Its totient is φ = 1563744000.

The previous prime is 2125151009. The next prime is 2125151023. The reversal of 2125151015 is 5101515212.

It is not a de Polignac number, because 2125151015 - 2¹⁴ = 2125134631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39911 + ... + 76440.

It is an arithmetic number, because the mean of its divisors is an integer number (172259136).

Almost surely, 2^2125151015 is an apocalyptic number.

2125151015 is a deficient number, since it is larger than the sum of its proper divisors (630995161).

2125151015 is a wasteful number, since it uses less digits than its factorization.

2125151015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116650.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 2125151015 is about 46099.3602450186. The cubic root of 2125151015 is about 1285.6712496735.

Adding to 2125151015 its reverse (5101515212), we get a palindrome (7226666227).

The spelling of 2125151015 in words is "two billion, one hundred twenty-five million, one hundred fifty-one thousand, fifteen".