1253453411513 has 2 divisors, whose sum is σ = 1253453411514. Its totient is φ = 1253453411512.

The previous prime is 1253453411461. The next prime is 1253453411519. The reversal of 1253453411513 is 3151143543521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734580983929 + 518872427584 = 857077^2 + 720328^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253453411513 - 2⁸ = 1253453411257 is a prime.

It is a super-2 number, since 2×1253453411513² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253453411519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626726705756 + 626726705757.

It is an arithmetic number, because the mean of its divisors is an integer number (626726705757).

Almost surely, 2^{1253453411513} is an apocalyptic number.

It is an amenable number.

1253453411513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253453411513 is an equidigital number, since it uses as much as digits as its factorization.

1253453411513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The spelling of 1253453411513 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-three million, four hundred eleven thousand, five hundred thirteen".