11051332831 has 64 divisors (see below), whose sum is σ = 14307840000. Its totient is φ = 8289515520.

The previous prime is 11051332793. The next prime is 11051332849. The reversal of 11051332831 is 13823315011.

It is not a de Polignac number, because 11051332831 - 2⁷ = 11051332703 is a prime.

It is a super-2 number, since 2×11051332831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11051332831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051332861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74169945 + ... + 74170093.

It is an arithmetic number, because the mean of its divisors is an integer number (223560000).

Almost surely, 2^11051332831 is an apocalyptic number.

11051332831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11051332831 is a deficient number, since it is larger than the sum of its proper divisors (3256507169).

11051332831 is a wasteful number, since it uses less digits than its factorization.

11051332831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 11051332831 its reverse (13823315011), we get a palindrome (24874647842).

The spelling of 11051332831 in words is "eleven billion, fifty-one million, three hundred thirty-two thousand, eight hundred thirty-one".