11901011 has 8 divisors (see below), whose sum is σ = 12794880. Its totient is φ = 11033928.

The previous prime is 11901007. The next prime is 11901017. The reversal of 11901011 is 11010911.

It is a happy number.

11901011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11901011 - 2² = 11901007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11901017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^11901011 is an apocalyptic number.

11901011 is a deficient number, since it is larger than the sum of its proper divisors (893869).

11901011 is a wasteful number, since it uses less digits than its factorization.

11901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13393.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 11901011 is about 3449.7841961491. The cubic root of 11901011 is about 228.3115866597.

Adding to 11901011 its reverse (11010911), we get a palindrome (22911922).

The spelling of 11901011 in words is "eleven million, nine hundred one thousand, eleven".