7502525342066 has 4 divisors (see below), whose sum is σ = 11253788013102. Its totient is φ = 3751262671032.

The previous prime is 7502525342047. The next prime is 7502525342099. The reversal of 7502525342066 is 6602435252057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5022596443225 + 2479928898841 = 2241115^2 + 1574779^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7502525342066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875631335515 + ... + 1875631335518.

Almost surely, 2^{7502525342066} is an apocalyptic number.

7502525342066 is a deficient number, since it is larger than the sum of its proper divisors (3751262671036).

7502525342066 is a wasteful number, since it uses less digits than its factorization.

7502525342066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751262671035.

The product of its (nonzero) digits is 3024000, while the sum is 47.

Subtracting from 7502525342066 its reverse (6602435252057), we obtain a palindrome (900090090009).

The spelling of 7502525342066 in words is "seven trillion, five hundred two billion, five hundred twenty-five million, three hundred forty-two thousand, sixty-six".