11454765631 has 4 divisors (see below), whose sum is σ = 12128575392. Its totient is φ = 10780955872.

The previous prime is 11454765611. The next prime is 11454765653. The reversal of 11454765631 is 13656745411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13656745411 = 4703 ⋅2903837.

It is a cyclic number.

It is not a de Polignac number, because 11454765631 - 2¹¹ = 11454763583 is a prime.

It is a super-2 number, since 2×11454765631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454765611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336904855 + ... + 336904888.

It is an arithmetic number, because the mean of its divisors is an integer number (3032143848).

Almost surely, 2^11454765631 is an apocalyptic number.

11454765631 is a deficient number, since it is larger than the sum of its proper divisors (673809761).

11454765631 is an equidigital number, since it uses as much as digits as its factorization.

11454765631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673809760.

The product of its digits is 302400, while the sum is 43.

The spelling of 11454765631 in words is "eleven billion, four hundred fifty-four million, seven hundred sixty-five thousand, six hundred thirty-one".