61050100563 has 12 divisors (see below), whose sum is σ = 90334295688. Its totient is φ = 39707382240.

The previous prime is 61050100561. The next prime is 61050100589. The reversal of 61050100563 is 36500105016.

It is a happy number.

It is not a de Polignac number, because 61050100563 - 2¹ = 61050100561 is a prime.

It is a super-2 number, since 2×61050100563² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61050100561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82723345 + ... + 82724082.

It is an arithmetic number, because the mean of its divisors is an integer number (7527857974).

Almost surely, 2^61050100563 is an apocalyptic number.

61050100563 is a deficient number, since it is larger than the sum of its proper divisors (29284195125).

61050100563 is a wasteful number, since it uses less digits than its factorization.

61050100563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165447474 (or 165447471 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 61050100563 its reverse (36500105016), we get a palindrome (97550205579).

The spelling of 61050100563 in words is "sixty-one billion, fifty million, one hundred thousand, five hundred sixty-three".