1253547164017 has 4 divisors (see below), whose sum is σ = 1253561334516. Its totient is φ = 1253532993520.

The previous prime is 1253547164011. The next prime is 1253547164057. The reversal of 1253547164017 is 7104617453521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 634947610896 + 618599553121 = 796836^2 + 786511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253547164017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253547164011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951718 + ... + 7129759.

It is an arithmetic number, because the mean of its divisors is an integer number (313390333629).

Almost surely, 2^{1253547164017} is an apocalyptic number.

It is an amenable number.

1253547164017 is a deficient number, since it is larger than the sum of its proper divisors (14170499).

1253547164017 is an equidigital number, since it uses as much as digits as its factorization.

1253547164017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170498.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 1253547164017 in words is "one trillion, two hundred fifty-three billion, five hundred forty-seven million, one hundred sixty-four thousand, seventeen".