11372811 has 8 divisors (see below), whose sum is σ = 15961920. Its totient is φ = 7182792.

The previous prime is 11372807. The next prime is 11372819. The reversal of 11372811 is 11827311.

It is a happy number.

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

It is not a de Polignac number, because 11372811 - 2² = 11372807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11372819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99705 + ... + 99818.

It is an arithmetic number, because the mean of its divisors is an integer number (1995240).

Almost surely, 2^11372811 is an apocalyptic number.

11372811 is a deficient number, since it is larger than the sum of its proper divisors (4589109).

11372811 is a wasteful number, since it uses less digits than its factorization.

11372811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199545.

The product of its digits is 336, while the sum is 24.

The square root of 11372811 is about 3372.3598562431. The cubic root of 11372811 is about 224.8826449737.

The spelling of 11372811 in words is "eleven million, three hundred seventy-two thousand, eight hundred eleven".