1301537475701 has 2 divisors, whose sum is σ = 1301537475702. Its totient is φ = 1301537475700.

The previous prime is 1301537475671. The next prime is 1301537475713. The reversal of 1301537475701 is 1075747351031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141049103601 + 160488372100 = 1068199^2 + 400610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301537475701 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301537475731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650768737850 + 650768737851.

It is an arithmetic number, because the mean of its divisors is an integer number (650768737851).

Almost surely, 2^{1301537475701} is an apocalyptic number.

It is an amenable number.

1301537475701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301537475701 is an equidigital number, since it uses as much as digits as its factorization.

1301537475701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 1301537475701 in words is "one trillion, three hundred one billion, five hundred thirty-seven million, four hundred seventy-five thousand, seven hundred one".