61056055001 has 16 divisors (see below), whose sum is σ = 68064844800. Its totient is φ = 54501871248.

The previous prime is 61056054971. The next prime is 61056055019. The reversal of 61056055001 is 10055065016.

It is not a de Polignac number, because 61056055001 - 2²² = 61051860697 is a prime.

It is a super-2 number, since 2×61056055001² (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 (61056055031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013381 + ... + 1071938.

It is an arithmetic number, because the mean of its divisors is an integer number (4254052800).

Almost surely, 2^61056055001 is an apocalyptic number.

It is an amenable number.

61056055001 is a deficient number, since it is larger than the sum of its proper divisors (7008789799).

61056055001 is a wasteful number, since it uses less digits than its factorization.

61056055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085428.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 61056055001 in words is "sixty-one billion, fifty-six million, fifty-five thousand, one".