11148831 has 6 divisors (see below), whose sum is σ = 16103880. Its totient is φ = 7432548.

The previous prime is 11148793. The next prime is 11148853. The reversal of 11148831 is 13884111.

It is not a de Polignac number, because 11148831 - 2¹³ = 11140639 is a prime.

It is a super-2 number, since 2×11148831² = 248592865333122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11148795 and 11148804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619371 + ... + 619388.

It is an arithmetic number, because the mean of its divisors is an integer number (2683980).

Almost surely, 2^11148831 is an apocalyptic number.

11148831 is a deficient number, since it is larger than the sum of its proper divisors (4955049).

11148831 is a wasteful number, since it uses less digits than its factorization.

11148831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238765 (or 1238762 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 11148831 is about 3338.9865228839. The cubic root of 11148831 is about 223.3965408579.

The spelling of 11148831 in words is "eleven million, one hundred forty-eight thousand, eight hundred thirty-one".