7561042500 has 240 divisors, whose sum is σ = 24710140224. Its totient is φ = 1782720000.

The previous prime is 7561042499. The next prime is 7561042513. The reversal of 7561042500 is 52401657.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3051262 + ... + 3053738.

Almost surely, 2^7561042500 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 7561042500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12355070112).

7561042500 is an abundant number, since it is smaller than the sum of its proper divisors (17149097724).

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

7561042500 is a wasteful number, since it uses less digits than its factorization.

7561042500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2535 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 7561042500 is about 86954.2552150267. The cubic root of 7561042500 is about 1962.7299958987.

The spelling of 7561042500 in words is "seven billion, five hundred sixty-one million, forty-two thousand, five hundred".