11523531453419 has 2 divisors, whose sum is σ = 11523531453420. Its totient is φ = 11523531453418.

The previous prime is 11523531453403. The next prime is 11523531453431. The reversal of 11523531453419 is 91435413532511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11523531453419 - 2⁴ = 11523531453403 is a prime.

It is a super-2 number, since 2×11523531453419² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11523531413419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761765726709 + 5761765726710.

It is an arithmetic number, because the mean of its divisors is an integer number (5761765726710).

Almost surely, 2^{11523531453419} is an apocalyptic number.

11523531453419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523531453419 is an equidigital number, since it uses as much as digits as its factorization.

11523531453419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 47.

The spelling of 11523531453419 in words is "eleven trillion, five hundred twenty-three billion, five hundred thirty-one million, four hundred fifty-three thousand, four hundred nineteen".