11611401 has 4 divisors (see below), whose sum is σ = 15481872. Its totient is φ = 7740932.

The previous prime is 11611367. The next prime is 11611427. The reversal of 11611401 is 10411611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11611401 - 2⁷ = 11611273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11611441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935231 + ... + 1935236.

It is an arithmetic number, because the mean of its divisors is an integer number (3870468).

Almost surely, 2^11611401 is an apocalyptic number.

It is an amenable number.

11611401 is a deficient number, since it is larger than the sum of its proper divisors (3870471).

11611401 is an equidigital number, since it uses as much as digits as its factorization.

11611401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870470.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 11611401 is about 3407.5505865651. The cubic root of 11611401 is about 226.4443771821. Note that the first 3 decimals are identical.

The spelling of 11611401 in words is "eleven million, six hundred eleven thousand, four hundred one".