1000055105061 has 16 divisors (see below), whose sum is σ = 1369622641344. Its totient is φ = 648600165504.

The previous prime is 1000055105057. The next prime is 1000055105087. The reversal of 1000055105061 is 1605015500001.

It is not a de Polignac number, because 1000055105061 - 2² = 1000055105057 is a prime.

It is a super-2 number, since 2×1000055105061² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000045105061) 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, 279550 + ... + 1441616.

It is an arithmetic number, because the mean of its divisors is an integer number (85601415084).

Almost surely, 2^{1000055105061} is an apocalyptic number.

It is an amenable number.

1000055105061 is a deficient number, since it is larger than the sum of its proper divisors (369567536283).

1000055105061 is a wasteful number, since it uses less digits than its factorization.

1000055105061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169860.

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

The spelling of 1000055105061 in words is "one trillion, fifty-five million, one hundred five thousand, sixty-one".