5011661625 has 64 divisors (see below), whose sum is σ = 8849917440. Its totient is φ = 2509977600.

The previous prime is 5011661587. The next prime is 5011661657. The reversal of 5011661625 is 5261661105.

It is not a de Polignac number, because 5011661625 - 2⁹ = 5011661113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5348157 + ... + 5349093.

It is an arithmetic number, because the mean of its divisors is an integer number (138279960).

Almost surely, 2^5011661625 is an apocalyptic number.

It is an amenable number.

5011661625 is a deficient number, since it is larger than the sum of its proper divisors (3838255815).

5011661625 is a wasteful number, since it uses less digits than its factorization.

5011661625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5011661625 is about 70793.0902348527. The cubic root of 5011661625 is about 1711.3043210277.

The spelling of 5011661625 in words is "five billion, eleven million, six hundred sixty-one thousand, six hundred twenty-five".