11351971 has 8 divisors (see below), whose sum is σ = 12049344. Its totient is φ = 10657920.

The previous prime is 11351969. The next prime is 11351981. The reversal of 11351971 is 17915311.

11351971 is digitally balanced in base 3, 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 11351971 - 2¹ = 11351969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11351941) 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, 12006 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (1506168).

Almost surely, 2^11351971 is an apocalyptic number.

11351971 is a deficient number, since it is larger than the sum of its proper divisors (697373).

11351971 is an equidigital number, since it uses as much as digits as its factorization.

11351971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 945, while the sum is 28.

The square root of 11351971 is about 3369.2686149964. The cubic root of 11351971 is about 224.7451996271.

The spelling of 11351971 in words is "eleven million, three hundred fifty-one thousand, nine hundred seventy-one".