11456453139 has 8 divisors (see below), whose sum is σ = 15275951040. Its totient is φ = 7637295336.

The previous prime is 11456453137. The next prime is 11456453143. The reversal of 11456453139 is 93135465411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11456453139 - 2¹ = 11456453137 is a prime.

It is a super-2 number, since 2×11456453139² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11456453139.

It is not an unprimeable number, because it can be changed into a prime (11456453131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8172 + ... + 151590.

It is an arithmetic number, because the mean of its divisors is an integer number (1909493880).

Almost surely, 2^11456453139 is an apocalyptic number.

11456453139 is a deficient number, since it is larger than the sum of its proper divisors (3819497901).

11456453139 is a wasteful number, since it uses less digits than its factorization.

11456453139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170049.

The product of its digits is 194400, while the sum is 42.

The spelling of 11456453139 in words is "eleven billion, four hundred fifty-six million, four hundred fifty-three thousand, one hundred thirty-nine".