11251115441 has 8 divisors (see below), whose sum is σ = 11465121024. Its totient is φ = 11037173680.

The previous prime is 11251115429. The next prime is 11251115443. The reversal of 11251115441 is 14451115211.

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

It is not a de Polignac number, because 11251115441 - 2¹⁸ = 11250853297 is a prime.

It is a super-3 number, since 3×11251115441³ (a number of 31 digits) contains 333 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 11251115441.

It is not an unprimeable number, because it can be changed into a prime (11251115443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491840 + ... + 514206.

It is an arithmetic number, because the mean of its divisors is an integer number (1433140128).

Almost surely, 2^11251115441 is an apocalyptic number.

It is an amenable number.

11251115441 is a deficient number, since it is larger than the sum of its proper divisors (214005583).

11251115441 is an equidigital number, since it uses as much as digits as its factorization.

11251115441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911.

The product of its digits is 800, while the sum is 26.

The spelling of 11251115441 in words is "eleven billion, two hundred fifty-one million, one hundred fifteen thousand, four hundred forty-one".