61150100550105 has 16 divisors (see below), whose sum is σ = 111817326720384. Its totient is φ = 27954331680000.

The previous prime is 61150100550043. The next prime is 61150100550127. The reversal of 61150100550105 is 50105500105116.

It is not a de Polignac number, because 61150100550105 - 2¹² = 61150100546009 is a prime.

It is a super-2 number, since 2×61150100550105² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291190954896 + ... + 291190955105.

It is an arithmetic number, because the mean of its divisors is an integer number (6988582920024).

Almost surely, 2^{61150100550105} is an apocalyptic number.

It is an amenable number.

61150100550105 is a deficient number, since it is larger than the sum of its proper divisors (50667226170279).

61150100550105 is a wasteful number, since it uses less digits than its factorization.

61150100550105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582381910016.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 61150100550105 in words is "sixty-one trillion, one hundred fifty billion, one hundred million, five hundred fifty thousand, one hundred five".