11151532401 has 4 divisors (see below), whose sum is σ = 14868709872. Its totient is φ = 7434354932.

The previous prime is 11151532391. The next prime is 11151532411. The reversal of 11151532401 is 10423515111.

11151532401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (11151532391) and next prime (11151532411).

It is a cyclic number.

It is not a de Polignac number, because 11151532401 - 2⁵ = 11151532369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11151532411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858588731 + ... + 1858588736.

It is an arithmetic number, because the mean of its divisors is an integer number (3717177468).

Almost surely, 2^11151532401 is an apocalyptic number.

It is an amenable number.

11151532401 is a deficient number, since it is larger than the sum of its proper divisors (3717177471).

11151532401 is an equidigital number, since it uses as much as digits as its factorization.

11151532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717177470.

The product of its (nonzero) digits is 600, while the sum is 24.

It can be divided in two parts, 111515 and 32401, that added together give a triangular number (143916 = T₅₃₆).

The spelling of 11151532401 in words is "eleven billion, one hundred fifty-one million, five hundred thirty-two thousand, four hundred one".