11631587927 has 2 divisors, whose sum is σ = 11631587928. Its totient is φ = 11631587926.

The previous prime is 11631587897. The next prime is 11631587939. The reversal of 11631587927 is 72978513611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11631587927 - 2²² = 11627393623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11631587987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815793963 + 5815793964.

It is an arithmetic number, because the mean of its divisors is an integer number (5815793964).

Almost surely, 2^11631587927 is an apocalyptic number.

11631587927 is a deficient number, since it is larger than the sum of its proper divisors (1).

11631587927 is an equidigital number, since it uses as much as digits as its factorization.

11631587927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 50.

The spelling of 11631587927 in words is "eleven billion, six hundred thirty-one million, five hundred eighty-seven thousand, nine hundred twenty-seven".