61825227861604 has 45 divisors (see below), whose sum is σ = 111827951590355. Its totient is φ = 29908120337400.

The previous prime is 61825227861577. The next prime is 61825227861613. The reversal of 61825227861604 is 40616872252816.

The square root of 61825227861604 is 7862902.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 15112495599 + ... + 15112499689.

Almost surely, 2^{61825227861604} is an apocalyptic number.

61825227861604 is the 7862902-nd square number.

It is an amenable number.

61825227861604 is a deficient number, since it is larger than the sum of its proper divisors (50002723728751).

61825227861604 is an frugal number, since it uses more digits than its factorization.

61825227861604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 61825227861604 in words is "sixty-one trillion, eight hundred twenty-five billion, two hundred twenty-seven million, eight hundred sixty-one thousand, six hundred four".