11356023242421 has 32 divisors (see below), whose sum is σ = 19764951104640. Its totient is φ = 6353019993600.

The previous prime is 11356023242419. The next prime is 11356023242423. The reversal of 11356023242421 is 12424232065311.

It is a happy number.

11356023242421 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 602 + 3 + 2 + 4 + 2 + 42 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11356023242419) and next prime (11356023242423).

It is not a de Polignac number, because 11356023242421 - 2¹ = 11356023242419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11356023242423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1470602620 + ... + 1470610341.

It is an arithmetic number, because the mean of its divisors is an integer number (617654722020).

Almost surely, 2^{11356023242421} is an apocalyptic number.

11356023242421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11356023242421 is a deficient number, since it is larger than the sum of its proper divisors (8408927862219).

11356023242421 is a wasteful number, since it uses less digits than its factorization.

11356023242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941212994 (or 2941212988 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 11356023242421 in words is "eleven trillion, three hundred fifty-six billion, twenty-three million, two hundred forty-two thousand, four hundred twenty-one".