11320451071 has 8 divisors (see below), whose sum is σ = 11833548800. Its totient is φ = 10816598520.

The previous prime is 11320451063. The next prime is 11320451089. The reversal of 11320451071 is 17015402311.

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 11320451071 - 2³ = 11320451063 is a prime.

It is a super-2 number, since 2×11320451071² (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 (11320451371) 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, 2308791 + ... + 2313688.

It is an arithmetic number, because the mean of its divisors is an integer number (1479193600).

Almost surely, 2^11320451071 is an apocalyptic number.

11320451071 is a deficient number, since it is larger than the sum of its proper divisors (513097729).

11320451071 is an equidigital number, since it uses as much as digits as its factorization.

11320451071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622589.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 11320451071 its reverse (17015402311), we get a palindrome (28335853382).

The spelling of 11320451071 in words is "eleven billion, three hundred twenty million, four hundred fifty-one thousand, seventy-one".