1351161564257 has 16 divisors (see below), whose sum is σ = 1373003218944. Its totient is φ = 1329400170000.

The previous prime is 1351161564229. The next prime is 1351161564271. The reversal of 1351161564257 is 7524651611531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351161564257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351161564157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107991632 + ... + 108004142.

It is an arithmetic number, because the mean of its divisors is an integer number (85812701184).

Almost surely, 2^{1351161564257} is an apocalyptic number.

It is an amenable number.

1351161564257 is a deficient number, since it is larger than the sum of its proper divisors (21841654687).

1351161564257 is a wasteful number, since it uses less digits than its factorization.

1351161564257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580.

The product of its digits is 756000, while the sum is 47.

The spelling of 1351161564257 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-one million, five hundred sixty-four thousand, two hundred fifty-seven".