2125620615 has 16 divisors (see below), whose sum is σ = 3407112288. Its totient is φ = 1131624576.

The previous prime is 2125620593. The next prime is 2125620631. The reversal of 2125620615 is 5160265212.

It is not a de Polignac number, because 2125620615 - 2⁵ = 2125620583 is a prime.

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, 118852 + ... + 135561.

It is an arithmetic number, because the mean of its divisors is an integer number (212944518).

Almost surely, 2^2125620615 is an apocalyptic number.

2125620615 is a deficient number, since it is larger than the sum of its proper divisors (1281491673).

2125620615 is a wasteful number, since it uses less digits than its factorization.

2125620615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254978.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2125620615 is about 46104.4533098485. The cubic root of 2125620615 is about 1285.7659420427.

Adding to 2125620615 its reverse (5160265212), we get a palindrome (7285885827).

The spelling of 2125620615 in words is "two billion, one hundred twenty-five million, six hundred twenty thousand, six hundred fifteen".