1003155035413 has 2 divisors, whose sum is σ = 1003155035414. Its totient is φ = 1003155035412.

The previous prime is 1003155035401. The next prime is 1003155035437. The reversal of 1003155035413 is 3145305513001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 957622730724 + 45532304689 = 978582^2 + 213383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003155035413 - 2¹⁷ = 1003154904341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003155065413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501577517706 + 501577517707.

It is an arithmetic number, because the mean of its divisors is an integer number (501577517707).

Almost surely, 2^{1003155035413} is an apocalyptic number.

It is an amenable number.

1003155035413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003155035413 is an equidigital number, since it uses as much as digits as its factorization.

1003155035413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 1003155035413 in words is "one trillion, three billion, one hundred fifty-five million, thirty-five thousand, four hundred thirteen".