61101035563 has 8 divisors (see below), whose sum is σ = 64346065920. Its totient is φ = 57858923880.

The previous prime is 61101035561. The next prime is 61101035573. The reversal of 61101035563 is 36553010116.

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

It is not a de Polignac number, because 61101035563 - 2¹ = 61101035561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61101035561) 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, 686623 + ... + 770488.

It is an arithmetic number, because the mean of its divisors is an integer number (8043258240).

Almost surely, 2^61101035563 is an apocalyptic number.

61101035563 is a deficient number, since it is larger than the sum of its proper divisors (3245030357).

61101035563 is a wasteful number, since it uses less digits than its factorization.

61101035563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459337.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 61101035563 its reverse (36553010116), we get a palindrome (97654045679).

The spelling of 61101035563 in words is "sixty-one billion, one hundred one million, thirty-five thousand, five hundred sixty-three".