11461214621 has 4 divisors (see below), whose sum is σ = 11461434912. Its totient is φ = 11460994332.

The previous prime is 11461214603. The next prime is 11461214623. The reversal of 11461214621 is 12641216411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12641216411 = 43 ⋅293981777.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11461214621 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 (11461214623) 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, 16226 + ... + 152268.

It is an arithmetic number, because the mean of its divisors is an integer number (2865358728).

Almost surely, 2^11461214621 is an apocalyptic number.

It is an amenable number.

11461214621 is a deficient number, since it is larger than the sum of its proper divisors (220291).

11461214621 is an equidigital number, since it uses as much as digits as its factorization.

11461214621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220290.

The product of its digits is 2304, while the sum is 29.

The spelling of 11461214621 in words is "eleven billion, four hundred sixty-one million, two hundred fourteen thousand, six hundred twenty-one".