1565164480051 has 2 divisors, whose sum is σ = 1565164480052. Its totient is φ = 1565164480050.

The previous prime is 1565164480037. The next prime is 1565164480057. The reversal of 1565164480051 is 1500844615651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1565164480051 - 2¹³ = 1565164471859 is a prime.

It is a super-2 number, since 2×1565164480051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1565164479983 and 1565164480010.

It is not a weakly prime, because it can be changed into another prime (1565164480057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782582240025 + 782582240026.

It is an arithmetic number, because the mean of its divisors is an integer number (782582240026).

Almost surely, 2^{1565164480051} is an apocalyptic number.

1565164480051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1565164480051 is an equidigital number, since it uses as much as digits as its factorization.

1565164480051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 1565164480051 in words is "one trillion, five hundred sixty-five billion, one hundred sixty-four million, four hundred eighty thousand, fifty-one".