1516651255051 has 2 divisors, whose sum is σ = 1516651255052. Its totient is φ = 1516651255050.

The previous prime is 1516651255039. The next prime is 1516651255061. The reversal of 1516651255051 is 1505521566151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1516651255051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1516651254989 and 1516651255007.

It is not a weakly prime, because it can be changed into another prime (1516651255001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758325627525 + 758325627526.

It is an arithmetic number, because the mean of its divisors is an integer number (758325627526).

Almost surely, 2^{1516651255051} is an apocalyptic number.

1516651255051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516651255051 is an equidigital number, since it uses as much as digits as its factorization.

1516651255051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225000, while the sum is 43.

The spelling of 1516651255051 in words is "one trillion, five hundred sixteen billion, six hundred fifty-one million, two hundred fifty-five thousand, fifty-one".