8137502272541 has 2 divisors, whose sum is σ = 8137502272542. Its totient is φ = 8137502272540.

The previous prime is 8137502272489. The next prime is 8137502272547. The reversal of 8137502272541 is 1452722057318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6573429376900 + 1564072895641 = 2563870^2 + 1250629^2 .

It is a cyclic number.

It is not a de Polignac number, because 8137502272541 - 2⁶ = 8137502272477 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 (8137502272547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4068751136270 + 4068751136271.

It is an arithmetic number, because the mean of its divisors is an integer number (4068751136271).

Almost surely, 2^{8137502272541} is an apocalyptic number.

It is an amenable number.

8137502272541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8137502272541 is an equidigital number, since it uses as much as digits as its factorization.

8137502272541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 8137502272541 in words is "eight trillion, one hundred thirty-seven billion, five hundred two million, two hundred seventy-two thousand, five hundred forty-one".