11453456513543 has 16 divisors (see below), whose sum is σ = 12558203712000. Its totient is φ = 10359302770080.

The previous prime is 11453456513453. The next prime is 11453456513567. The reversal of 11453456513543 is 34531565435411.

It is not a de Polignac number, because 11453456513543 - 2³⁶ = 11384737036807 is a prime.

It is a super-2 number, since 2×11453456513543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11453456513491 and 11453456513500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453456510543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39518105 + ... + 39806877.

It is an arithmetic number, because the mean of its divisors is an integer number (784887732000).

Almost surely, 2^{11453456513543} is an apocalyptic number.

11453456513543 is a deficient number, since it is larger than the sum of its proper divisors (1104747198457).

11453456513543 is a wasteful number, since it uses less digits than its factorization.

11453456513543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307102.

The product of its digits is 6480000, while the sum is 50.

The spelling of 11453456513543 in words is "eleven trillion, four hundred fifty-three billion, four hundred fifty-six million, five hundred thirteen thousand, five hundred forty-three".