625113016540 has 96 divisors (see below), whose sum is σ = 1391721912000. Its totient is φ = 235433748480.

The previous prime is 625113016529. The next prime is 625113016543. The reversal of 625113016540 is 45610311526.

It is a junction number, because it is equal to n+sod(n) for n = 625113016496 and 625113016505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625113016543) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 78636486 + ... + 78644434.

It is an arithmetic number, because the mean of its divisors is an integer number (14497103250).

Almost surely, 2^625113016540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625113016540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695860956000).

625113016540 is an abundant number, since it is smaller than the sum of its proper divisors (766608895460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625113016540 is a wasteful number, since it uses less digits than its factorization.

625113016540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335 (or 11333 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 625113016540 in words is "six hundred twenty-five billion, one hundred thirteen million, sixteen thousand, five hundred forty".