61101505601 has 8 divisors (see below), whose sum is σ = 64279785600. Its totient is φ = 57994647760.

The previous prime is 61101505583. The next prime is 61101505639. The reversal of 61101505601 is 10650510116.

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

It is not a de Polignac number, because 61101505601 - 2¹⁰ = 61101504577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61101505651) 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, 17853785 + ... + 17857206.

It is an arithmetic number, because the mean of its divisors is an integer number (8034973200).

Almost surely, 2^61101505601 is an apocalyptic number.

It is an amenable number.

61101505601 is a deficient number, since it is larger than the sum of its proper divisors (3178279999).

61101505601 is a wasteful number, since it uses less digits than its factorization.

61101505601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35711079.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 61101505601 in words is "sixty-one billion, one hundred one million, five hundred five thousand, six hundred one".