2516655125 has 16 divisors (see below), whose sum is σ = 3143819952. Its totient is φ = 2011379200.

The previous prime is 2516655107. The next prime is 2516655143. The reversal of 2516655125 is 5215566152.

It is an interprime number because it is at equal distance from previous prime (2516655107) and next prime (2516655143).

It can be written as a sum of positive squares in 8 ways, for example, as 1852613764 + 664041361 = 43042^2 + 25769^2 .

It is not a de Polignac number, because 2516655125 - 2¹⁶ = 2516589589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127949 + ... + 146301.

It is an arithmetic number, because the mean of its divisors is an integer number (196488747).

Almost surely, 2^2516655125 is an apocalyptic number.

2516655125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516655125 is a deficient number, since it is larger than the sum of its proper divisors (627164827).

2516655125 is a wasteful number, since it uses less digits than its factorization.

2516655125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465 (or 19455 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 2516655125 is about 50166.2747769854. The cubic root of 2516655125 is about 1360.2160709538.

The spelling of 2516655125 in words is "two billion, five hundred sixteen million, six hundred fifty-five thousand, one hundred twenty-five".