11251460621 has 4 divisors (see below), whose sum is σ = 11251749312. Its totient is φ = 11251171932.

The previous prime is 11251460609. The next prime is 11251460669. The reversal of 11251460621 is 12606415211.

11251460621 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251460621 is a prime.

It is a super-2 number, since 2×11251460621² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251460021) 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, 74675 + ... + 167568.

It is an arithmetic number, because the mean of its divisors is an integer number (2812937328).

Almost surely, 2^11251460621 is an apocalyptic number.

It is an amenable number.

11251460621 is a deficient number, since it is larger than the sum of its proper divisors (288691).

11251460621 is an equidigital number, since it uses as much as digits as its factorization.

11251460621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288690.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 11251460621 its reverse (12606415211), we get a palindrome (23857875832).

The spelling of 11251460621 in words is "eleven billion, two hundred fifty-one million, four hundred sixty thousand, six hundred twenty-one".