5631132011 has 4 divisors (see below), whose sum is σ = 5927507400. Its totient is φ = 5334756624.

The previous prime is 5631131983. The next prime is 5631132029. The reversal of 5631132011 is 1102311365.

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 5631132011 - 2¹⁰ = 5631130987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5631132061) 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, 148187666 + ... + 148187703.

It is an arithmetic number, because the mean of its divisors is an integer number (1481876850).

Almost surely, 2^5631132011 is an apocalyptic number.

5631132011 is a deficient number, since it is larger than the sum of its proper divisors (296375389).

5631132011 is a wasteful number, since it uses less digits than its factorization.

5631132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296375388.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5631132011 is about 75040.8689381993. The cubic root of 5631132011 is about 1779.0926667058.

Adding to 5631132011 its reverse (1102311365), we get a palindrome (6733443376).

The spelling of 5631132011 in words is "five billion, six hundred thirty-one million, one hundred thirty-two thousand, eleven".