1247364360081 has 96 divisors (see below), whose sum is σ = 2229959467008. Its totient is φ = 681266013120.

The previous prime is 1247364360071. The next prime is 1247364360157. The reversal of 1247364360081 is 1800634637421.

1247364360081 is a `hidden beast` number, since 1 + 2 + 4 + 7 + 36 + 4 + 3 + 600 + 8 + 1 = 666.

It is not a de Polignac number, because 1247364360081 - 2⁹ = 1247364359569 is a prime.

It is a super-2 number, since 2×1247364360081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1247364360001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54017320 + ... + 54040406.

It is an arithmetic number, because the mean of its divisors is an integer number (23228744448).

Almost surely, 2^{1247364360081} is an apocalyptic number.

It is an amenable number.

1247364360081 is a deficient number, since it is larger than the sum of its proper divisors (982595106927).

1247364360081 is a wasteful number, since it uses less digits than its factorization.

1247364360081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24513 (or 24501 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 1247364360081 in words is "one trillion, two hundred forty-seven billion, three hundred sixty-four million, three hundred sixty thousand, eighty-one".