1505002011493 has 2 divisors, whose sum is σ = 1505002011494. Its totient is φ = 1505002011492.

The previous prime is 1505002011433. The next prime is 1505002011599. The reversal of 1505002011493 is 3941102005051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019336582884 + 485665428609 = 1009622^2 + 696897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1505002011493 is a prime.

It is a super-2 number, since 2×1505002011493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1505002011433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752501005746 + 752501005747.

It is an arithmetic number, because the mean of its divisors is an integer number (752501005747).

Almost surely, 2^{1505002011493} is an apocalyptic number.

It is an amenable number.

1505002011493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505002011493 is an equidigital number, since it uses as much as digits as its factorization.

1505002011493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1505002011493 in words is "one trillion, five hundred five billion, two million, eleven thousand, four hundred ninety-three".