11400015172493 has 2 divisors, whose sum is σ = 11400015172494. Its totient is φ = 11400015172492.

The previous prime is 11400015172397. The next prime is 11400015172607. The reversal of 11400015172493 is 39427151000411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9864762835684 + 1535252336809 = 3140822^2 + 1239053^2 .

It is a cyclic number.

It is not a de Polignac number, because 11400015172493 - 2⁴⁰ = 10300503544717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11400015172193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700007586246 + 5700007586247.

It is an arithmetic number, because the mean of its divisors is an integer number (5700007586247).

Almost surely, 2^{11400015172493} is an apocalyptic number.

It is an amenable number.

11400015172493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11400015172493 is an equidigital number, since it uses as much as digits as its factorization.

11400015172493 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 38.

The spelling of 11400015172493 in words is "eleven trillion, four hundred billion, fifteen million, one hundred seventy-two thousand, four hundred ninety-three".