11458814621 has 2 divisors, whose sum is σ = 11458814622. Its totient is φ = 11458814620.

The previous prime is 11458814569. The next prime is 11458814629. The reversal of 11458814621 is 12641885411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8205823396 + 3252991225 = 90586^2 + 57035^2 .

It is an emirp because it is prime and its reverse (12641885411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11458814621 - 2²⁶ = 11391705757 is a prime.

It is a super-3 number, since 3×11458814621³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11458814629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729407310 + 5729407311.

It is an arithmetic number, because the mean of its divisors is an integer number (5729407311).

Almost surely, 2^11458814621 is an apocalyptic number.

It is an amenable number.

11458814621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11458814621 is an equidigital number, since it uses as much as digits as its factorization.

11458814621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 41.

The spelling of 11458814621 in words is "eleven billion, four hundred fifty-eight million, eight hundred fourteen thousand, six hundred twenty-one".