61101200604 has 24 divisors (see below), whose sum is σ = 144522476560. Its totient is φ = 20088065664.

The previous prime is 61101200581. The next prime is 61101200623. The reversal of 61101200604 is 40600210116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34874239 + ... + 34875990.

Almost surely, 2^61101200604 is an apocalyptic number.

It is an amenable number.

61101200604 is an abundant number, since it is smaller than the sum of its proper divisors (83421275956).

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

61101200604 is a wasteful number, since it uses less digits than its factorization.

61101200604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69750309 (or 69750307 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 61101200604 in words is "sixty-one billion, one hundred one million, two hundred thousand, six hundred four".