5511303401 has 4 divisors (see below), whose sum is σ = 5750925312. Its totient is φ = 5271681492.

The previous prime is 5511303397. The next prime is 5511303407. The reversal of 5511303401 is 1043031155.

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 5511303401 - 2² = 5511303397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 239621887 = 5511303401 / (5 + 5 + 1 + 1 + 3 + 0 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511303407) 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, 119810921 + ... + 119810966.

It is an arithmetic number, because the mean of its divisors is an integer number (1437731328).

Almost surely, 2^5511303401 is an apocalyptic number.

It is an amenable number.

5511303401 is a deficient number, since it is larger than the sum of its proper divisors (239621911).

5511303401 is a wasteful number, since it uses less digits than its factorization.

5511303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239621910.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5511303401 is about 74238.1532704040. The cubic root of 5511303401 is about 1766.3825809057.

Adding to 5511303401 its reverse (1043031155), we get a palindrome (6554334556).

The spelling of 5511303401 in words is "five billion, five hundred eleven million, three hundred three thousand, four hundred one".