1520265525131 has 2 divisors, whose sum is σ = 1520265525132. Its totient is φ = 1520265525130.

The previous prime is 1520265525109. The next prime is 1520265525157. The reversal of 1520265525131 is 1315255620251.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1520265525131 is a prime.

It is a super-2 number, since 2×1520265525131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1520265524131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760132762565 + 760132762566.

It is an arithmetic number, because the mean of its divisors is an integer number (760132762566).

Almost surely, 2^{1520265525131} is an apocalyptic number.

1520265525131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520265525131 is an equidigital number, since it uses as much as digits as its factorization.

1520265525131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 1520265525131 in words is "one trillion, five hundred twenty billion, two hundred sixty-five million, five hundred twenty-five thousand, one hundred thirty-one".