61105056001 has 8 divisors (see below), whose sum is σ = 70168485600. Its totient is φ = 52626363840.

The previous prime is 61105055981. The next prime is 61105056011. The reversal of 61105056001 is 10065050116.

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-61105056001 is a prime.

It is a super-2 number, since 2×61105056001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61105056011) 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, 146184136 + ... + 146184553.

It is an arithmetic number, because the mean of its divisors is an integer number (8771060700).

Almost surely, 2^61105056001 is an apocalyptic number.

It is an amenable number.

61105056001 is a deficient number, since it is larger than the sum of its proper divisors (9063429599).

61105056001 is a wasteful number, since it uses less digits than its factorization.

61105056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292368719.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 61105056001 in words is "sixty-one billion, one hundred five million, fifty-six thousand, one".