61001105055 has 64 divisors (see below), whose sum is σ = 109421964288. Its totient is φ = 28758620160.

The previous prime is 61001105047. The next prime is 61001105119. The reversal of 61001105055 is 55050110016.

It is not a de Polignac number, because 61001105055 - 2³ = 61001105047 is a prime.

It is a super-2 number, since 2×61001105055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17293702 + ... + 17297228.

It is an arithmetic number, because the mean of its divisors is an integer number (1709718192).

Almost surely, 2^61001105055 is an apocalyptic number.

61001105055 is a deficient number, since it is larger than the sum of its proper divisors (48420859233).

61001105055 is a wasteful number, since it uses less digits than its factorization.

61001105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416.

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

The spelling of 61001105055 in words is "sixty-one billion, one million, one hundred five thousand, fifty-five".