11454042131 has 8 divisors (see below), whose sum is σ = 13091322720. Its totient is φ = 9817008768.

The previous prime is 11454042109. The next prime is 11454042239. The reversal of 11454042131 is 13124045411.

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

It is not a de Polignac number, because 11454042131 - 2¹⁴ = 11454025747 is a prime.

It is a super-2 number, since 2×11454042131² (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 11454042131.

It is not an unprimeable number, because it can be changed into a prime (11454042331) 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, 51275 + ... + 159803.

It is an arithmetic number, because the mean of its divisors is an integer number (1636415340).

Almost surely, 2^11454042131 is an apocalyptic number.

11454042131 is a deficient number, since it is larger than the sum of its proper divisors (1637280589).

11454042131 is a wasteful number, since it uses less digits than its factorization.

11454042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123613.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11454042131 its reverse (13124045411), we get a palindrome (24578087542).

The spelling of 11454042131 in words is "eleven billion, four hundred fifty-four million, forty-two thousand, one hundred thirty-one".