5451232011 has 16 divisors (see below), whose sum is σ = 7333280544. Its totient is φ = 3601787904.

The previous prime is 5451232009. The next prime is 5451232013. The reversal of 5451232011 is 1102321545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5451232009) and next prime (5451232013).

It is not a de Polignac number, because 5451232011 - 2¹ = 5451232009 is a prime.

It is a super-2 number, since 2×5451232011² = 59431860875502208242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5451232013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172411 + ... + 201563.

It is an arithmetic number, because the mean of its divisors is an integer number (458330034).

Almost surely, 2^5451232011 is an apocalyptic number.

5451232011 is a deficient number, since it is larger than the sum of its proper divisors (1882048533).

5451232011 is a wasteful number, since it uses less digits than its factorization.

5451232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29710.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5451232011 is about 73832.4590610390. The cubic root of 5451232011 is about 1759.9414592917.

Adding to 5451232011 its reverse (1102321545), we get a palindrome (6553553556).

The spelling of 5451232011 in words is "five billion, four hundred fifty-one million, two hundred thirty-two thousand, eleven".