1520290247131 has 2 divisors, whose sum is σ = 1520290247132. Its totient is φ = 1520290247130.

The previous prime is 1520290247041. The next prime is 1520290247191. The reversal of 1520290247131 is 1317420920251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1520290247131 - 2²¹ = 1520288149979 is a prime.

It is a super-2 number, since 2×1520290247131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1520290247191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760145123565 + 760145123566.

It is an arithmetic number, because the mean of its divisors is an integer number (760145123566).

Almost surely, 2^{1520290247131} is an apocalyptic number.

1520290247131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520290247131 is an equidigital number, since it uses as much as digits as its factorization.

1520290247131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1520290247131 in words is "one trillion, five hundred twenty billion, two hundred ninety million, two hundred forty-seven thousand, one hundred thirty-one".