11351521463 has 4 divisors (see below), whose sum is σ = 11417137368. Its totient is φ = 11285905560.

The previous prime is 11351521409. The next prime is 11351521487. The reversal of 11351521463 is 36412515311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11351521463 - 2³⁰ = 10277779639 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 (11351521403) 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, 32807693 + ... + 32808038.

It is an arithmetic number, because the mean of its divisors is an integer number (2854284342).

Almost surely, 2^11351521463 is an apocalyptic number.

11351521463 is a deficient number, since it is larger than the sum of its proper divisors (65615905).

11351521463 is an equidigital number, since it uses as much as digits as its factorization.

11351521463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65615904.

The product of its digits is 10800, while the sum is 32.

The spelling of 11351521463 in words is "eleven billion, three hundred fifty-one million, five hundred twenty-one thousand, four hundred sixty-three".