11901451 has 2 divisors, whose sum is σ = 11901452. Its totient is φ = 11901450.

The previous prime is 11901437. The next prime is 11901473. The reversal of 11901451 is 15410911.

11901451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11901473) can be obtained adding 11901451 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (15410911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11901451 - 2¹¹ = 11899403 is a prime.

It is not a weakly prime, because it can be changed into another prime (11901151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5950725 + 5950726.

It is an arithmetic number, because the mean of its divisors is an integer number (5950726).

Almost surely, 2^11901451 is an apocalyptic number.

11901451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11901451 is an equidigital number, since it uses as much as digits as its factorization.

11901451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 11901451 is about 3449.8479676647. The cubic root of 11901451 is about 228.3144003103.

The spelling of 11901451 in words is "eleven million, nine hundred one thousand, four hundred fifty-one".