5511262431 has 8 divisors (see below), whose sum is σ = 7348839040. Its totient is φ = 3673930392.

The previous prime is 5511262391. The next prime is 5511262447. The reversal of 5511262431 is 1342621155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5511262431 - 2⁹ = 5511261919 is a prime.

It is a super-2 number, since 2×5511262431² = 60748027166704059522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511262451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 104988.

It is an arithmetic number, because the mean of its divisors is an integer number (918604880).

Almost surely, 2^5511262431 is an apocalyptic number.

5511262431 is a deficient number, since it is larger than the sum of its proper divisors (1837576609).

5511262431 is a wasteful number, since it uses less digits than its factorization.

5511262431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122285.

The product of its digits is 7200, while the sum is 30.

The square root of 5511262431 is about 74237.8773336092. The cubic root of 5511262431 is about 1766.3782039088.

Adding to 5511262431 its reverse (1342621155), we get a palindrome (6853883586).

The spelling of 5511262431 in words is "five billion, five hundred eleven million, two hundred sixty-two thousand, four hundred thirty-one".