11452940539 has 4 divisors (see below), whose sum is σ = 11453970456. Its totient is φ = 11451910624.

The previous prime is 11452940531. The next prime is 11452940561. The reversal of 11452940539 is 93504925411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11452940539 - 2³ = 11452940531 is a prime.

It is a super-2 number, since 2×11452940539² (a number of 21 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 = 11452940495 and 11452940504.

It is not an unprimeable number, because it can be changed into a prime (11452940531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498094 + ... + 520579.

It is an arithmetic number, because the mean of its divisors is an integer number (2863492614).

Almost surely, 2^11452940539 is an apocalyptic number.

11452940539 is a deficient number, since it is larger than the sum of its proper divisors (1029917).

11452940539 is a wasteful number, since it uses less digits than its factorization.

11452940539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029916.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11452940539 in words is "eleven billion, four hundred fifty-two million, nine hundred forty thousand, five hundred thirty-nine".