11631039841 has 4 divisors (see below), whose sum is σ = 11631290800. Its totient is φ = 11630788884.

The previous prime is 11631039839. The next prime is 11631039853. The reversal of 11631039841 is 14893013611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11631039841 - 2¹ = 11631039839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11631039841.

It is not an unprimeable number, because it can be changed into a prime (11631039811) 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, 33471 + ... + 156148.

It is an arithmetic number, because the mean of its divisors is an integer number (2907822700).

Almost surely, 2^11631039841 is an apocalyptic number.

It is an amenable number.

11631039841 is a deficient number, since it is larger than the sum of its proper divisors (250959).

11631039841 is an equidigital number, since it uses as much as digits as its factorization.

11631039841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250958.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 11631039841 in words is "eleven billion, six hundred thirty-one million, thirty-nine thousand, eight hundred forty-one".