61101005505 has 32 divisors (see below), whose sum is σ = 102927283200. Its totient is φ = 30865989312.

The previous prime is 61101005489. The next prime is 61101005521. The reversal of 61101005505 is 50550010116.

It is an interprime number because it is at equal distance from previous prime (61101005489) and next prime (61101005521).

It is not a de Polignac number, because 61101005505 - 2⁴ = 61101005489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1657282 + ... + 1693748.

It is an arithmetic number, because the mean of its divisors is an integer number (3216477600).

Almost surely, 2^61101005505 is an apocalyptic number.

It is an amenable number.

61101005505 is a deficient number, since it is larger than the sum of its proper divisors (41826277695).

61101005505 is a wasteful number, since it uses less digits than its factorization.

61101005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 61101005505 in words is "sixty-one billion, one hundred one million, five thousand, five hundred five".