11332531421 has 8 divisors (see below), whose sum is σ = 11684113080. Its totient is φ = 10983333888.

The previous prime is 11332531387. The next prime is 11332531429. The reversal of 11332531421 is 12413523311.

It can be written as a sum of positive squares in 4 ways, for example, as 4954752100 + 6377779321 = 70390^2 + 79861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11332531421 - 2¹⁴ = 11332515037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332531429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586376 + ... + 605393.

It is an arithmetic number, because the mean of its divisors is an integer number (1460514135).

Almost surely, 2^11332531421 is an apocalyptic number.

It is an amenable number.

11332531421 is a deficient number, since it is larger than the sum of its proper divisors (351581659).

11332531421 is a wasteful number, since it uses less digits than its factorization.

11332531421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192063.

The product of its digits is 2160, while the sum is 26.

The spelling of 11332531421 in words is "eleven billion, three hundred thirty-two million, five hundred thirty-one thousand, four hundred twenty-one".