1550005150061 has 16 divisors (see below), whose sum is σ = 1694461063680. Its totient is φ = 1411487907840.

The previous prime is 1550005150051. The next prime is 1550005150063. The reversal of 1550005150061 is 1600515000551.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1550005150061 - 2¹⁸ = 1550004887917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550005150063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375405 + ... + 2956781.

It is an arithmetic number, because the mean of its divisors is an integer number (105903816480).

Almost surely, 2^{1550005150061} is an apocalyptic number.

It is an amenable number.

1550005150061 is a deficient number, since it is larger than the sum of its proper divisors (144455913619).

1550005150061 is a wasteful number, since it uses less digits than its factorization.

1550005150061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586484.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1550005150061 in words is "one trillion, five hundred fifty billion, five million, one hundred fifty thousand, sixty-one".