61775905603 has 8 divisors (see below), whose sum is σ = 62233079472. Its totient is φ = 61318822656.

The previous prime is 61775905601. The next prime is 61775905613. The reversal of 61775905603 is 30650957716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61775905603 - 2¹ = 61775905601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61775905601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005051 + ... + 2035627.

It is an arithmetic number, because the mean of its divisors is an integer number (7779134934).

Almost surely, 2^61775905603 is an apocalyptic number.

61775905603 is a deficient number, since it is larger than the sum of its proper divisors (457173869).

61775905603 is a wasteful number, since it uses less digits than its factorization.

61775905603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45461.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The spelling of 61775905603 in words is "sixty-one billion, seven hundred seventy-five million, nine hundred five thousand, six hundred three".