11371951 has 4 divisors (see below), whose sum is σ = 11391912. Its totient is φ = 11351992.

The previous prime is 11371933. The next prime is 11371967. The reversal of 11371951 is 15917311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11371951 - 2¹¹ = 11369903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11371901) 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, 9100 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (2847978).

Almost surely, 2^11371951 is an apocalyptic number.

11371951 is a deficient number, since it is larger than the sum of its proper divisors (19961).

11371951 is an equidigital number, since it uses as much as digits as its factorization.

11371951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960.

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

The square root of 11371951 is about 3372.2323466808. The cubic root of 11371951 is about 224.8769763678.

The spelling of 11371951 in words is "eleven million, three hundred seventy-one thousand, nine hundred fifty-one".