11454443155 has 4 divisors (see below), whose sum is σ = 13745331792. Its totient is φ = 9163554520.

The previous prime is 11454443131. The next prime is 11454443167. The reversal of 11454443155 is 55134445411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55134445411 = 41 ⋅1344742571.

It is not a de Polignac number, because 11454443155 - 2⁵ = 11454443123 is a prime.

It is a super-2 number, since 2×11454443155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145444311 + ... + 1145444320.

It is an arithmetic number, because the mean of its divisors is an integer number (3436332948).

Almost surely, 2^11454443155 is an apocalyptic number.

11454443155 is a deficient number, since it is larger than the sum of its proper divisors (2290888637).

11454443155 is an equidigital number, since it uses as much as digits as its factorization.

11454443155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290888636.

The product of its digits is 96000, while the sum is 37.

Adding to 11454443155 its reverse (55134445411), we get a palindrome (66588888566).

The spelling of 11454443155 in words is "eleven billion, four hundred fifty-four million, four hundred forty-three thousand, one hundred fifty-five".