2505500720650 has 24 divisors (see below), whose sum is σ = 4661110625184. Its totient is φ = 1002011194800.

The previous prime is 2505500720603. The next prime is 2505500720651. The reversal of 2505500720650 is 560270055052.

It is a happy number.

It is a super-2 number, since 2×2505500720650² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505500720651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459536 + ... + 4989835.

It is an arithmetic number, because the mean of its divisors is an integer number (194212942716).

Almost surely, 2^{2505500720650} is an apocalyptic number.

2505500720650 is a deficient number, since it is larger than the sum of its proper divisors (2155609904534).

2505500720650 is a wasteful number, since it uses less digits than its factorization.

2505500720650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454686 (or 9454681 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 2505500720650 in words is "two trillion, five hundred five billion, five hundred million, seven hundred twenty thousand, six hundred fifty".