61235789563 has 8 divisors (see below), whose sum is σ = 67554680256. Its totient is φ = 55146676800.

The previous prime is 61235789507. The next prime is 61235789591. The reversal of 61235789563 is 36598753216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61235789563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61235784563) 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, 57443923 + ... + 57444988.

It is an arithmetic number, because the mean of its divisors is an integer number (8444335032).

Almost surely, 2^61235789563 is an apocalyptic number.

61235789563 is a deficient number, since it is larger than the sum of its proper divisors (6318890693).

61235789563 is a wasteful number, since it uses less digits than its factorization.

61235789563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114888965.

The product of its digits is 8164800, while the sum is 55.

The spelling of 61235789563 in words is "sixty-one billion, two hundred thirty-five million, seven hundred eighty-nine thousand, five hundred sixty-three".