11421090523 has 8 divisors (see below), whose sum is σ = 11533246560. Its totient is φ = 11309068800.

The previous prime is 11421090509. The next prime is 11421090539. The reversal of 11421090523 is 32509012411.

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 11421090523 - 2²¹ = 11418993371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11421090491 and 11421090500.

It is not an unprimeable number, because it can be changed into a prime (11421090553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141786 + ... + 207232.

It is an arithmetic number, because the mean of its divisors is an integer number (1441655820).

Almost surely, 2^11421090523 is an apocalyptic number.

11421090523 is a deficient number, since it is larger than the sum of its proper divisors (112156037).

11421090523 is a wasteful number, since it uses less digits than its factorization.

11421090523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67157.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 11421090523 in words is "eleven billion, four hundred twenty-one million, ninety thousand, five hundred twenty-three".