11040451671 has 16 divisors (see below), whose sum is σ = 14986723328. Its totient is φ = 7227640800.

The previous prime is 11040451621. The next prime is 11040451717. The reversal of 11040451671 is 17615404011.

It is not a de Polignac number, because 11040451671 - 2³¹ = 8892968023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040451601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61386 + ... + 160776.

It is an arithmetic number, because the mean of its divisors is an integer number (936670208).

Almost surely, 2^11040451671 is an apocalyptic number.

11040451671 is a deficient number, since it is larger than the sum of its proper divisors (3946271657).

11040451671 is an equidigital number, since it uses as much as digits as its factorization.

11040451671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100062.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 11040451671 its reverse (17615404011), we get a palindrome (28655855682).

The spelling of 11040451671 in words is "eleven billion, forty million, four hundred fifty-one thousand, six hundred seventy-one".