11401131 has 8 divisors (see below), whose sum is σ = 17373184. Its totient is φ = 6514920.

The previous prime is 11401127. The next prime is 11401133. The reversal of 11401131 is 13110411.

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

It is not a de Polignac number, because 11401131 - 2² = 11401127 is a prime.

It is a super-2 number, since 2×11401131² = 259971576158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11401133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271435 + ... + 271476.

It is an arithmetic number, because the mean of its divisors is an integer number (2171648).

Almost surely, 2^11401131 is an apocalyptic number.

11401131 is a deficient number, since it is larger than the sum of its proper divisors (5972053).

11401131 is an equidigital number, since it uses as much as digits as its factorization.

11401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542921.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11401131 is about 3376.5560857181. The cubic root of 11401131 is about 225.0691540519.

Adding to 11401131 its reverse (13110411), we get a palindrome (24511542).

The spelling of 11401131 in words is "eleven million, four hundred one thousand, one hundred thirty-one".