1550005150051 has 2 divisors, whose sum is σ = 1550005150052. Its totient is φ = 1550005150050.

The previous prime is 1550005150009. The next prime is 1550005150063. The reversal of 1550005150051 is 1500515000551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550005150051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550005150081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775002575025 + 775002575026.

It is an arithmetic number, because the mean of its divisors is an integer number (775002575026).

Almost surely, 2^{1550005150051} is an apocalyptic number.

1550005150051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550005150051 is an equidigital number, since it uses as much as digits as its factorization.

1550005150051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 1550005150051 in words is "one trillion, five hundred fifty billion, five million, one hundred fifty thousand, fifty-one".