11455422031 has 12 divisors (see below), whose sum is σ = 12105110664. Its totient is φ = 10839006000.

The previous prime is 11455422029. The next prime is 11455422047. The reversal of 11455422031 is 13022455411.

It is not a de Polignac number, because 11455422031 - 2¹ = 11455422029 is a prime.

It is a super-2 number, since 2×11455422031² (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 (11455422061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277056 + ... + 315706.

It is an arithmetic number, because the mean of its divisors is an integer number (1008759222).

Almost surely, 2^11455422031 is an apocalyptic number.

11455422031 is a deficient number, since it is larger than the sum of its proper divisors (649688633).

11455422031 is an equidigital number, since it uses as much as digits as its factorization.

11455422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510 (or 39491 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11455422031 its reverse (13022455411), we get a palindrome (24477877442).

The spelling of 11455422031 in words is "eleven billion, four hundred fifty-five million, four hundred twenty-two thousand, thirty-one".