11454543631 has 8 divisors (see below), whose sum is σ = 11532263264. Its totient is φ = 11377013760.

The previous prime is 11454543587. The next prime is 11454543637. The reversal of 11454543631 is 13634545411.

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

It is a cyclic number.

It is not a de Polignac number, because 11454543631 - 2¹⁷ = 11454412559 is a prime.

It is a super-2 number, since 2×11454543631² (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 (11454543637) 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, 74755 + ... + 168811.

It is an arithmetic number, because the mean of its divisors is an integer number (1441532908).

Almost surely, 2^11454543631 is an apocalyptic number.

11454543631 is a deficient number, since it is larger than the sum of its proper divisors (77719633).

11454543631 is an equidigital number, since it uses as much as digits as its factorization.

11454543631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94881.

The product of its digits is 86400, while the sum is 37.

The spelling of 11454543631 in words is "eleven billion, four hundred fifty-four million, five hundred forty-three thousand, six hundred thirty-one".