5511415791 has 24 divisors (see below), whose sum is σ = 8446058112. Its totient is φ = 3131589600.

The previous prime is 5511415729. The next prime is 5511415807. The reversal of 5511415791 is 1975141155.

It is not a de Polignac number, because 5511415791 - 2⁹ = 5511415279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511415711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683976 + ... + 691986.

It is an arithmetic number, because the mean of its divisors is an integer number (351919088).

Almost surely, 2^5511415791 is an apocalyptic number.

5511415791 is a deficient number, since it is larger than the sum of its proper divisors (2934642321).

5511415791 is an equidigital number, since it uses as much as digits as its factorization.

5511415791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383 (or 8202 counting only the distinct ones).

The product of its digits is 31500, while the sum is 39.

The square root of 5511415791 is about 74238.9102223356. The cubic root of 5511415791 is about 1766.3945878893.

The spelling of 5511415791 in words is "five billion, five hundred eleven million, four hundred fifteen thousand, seven hundred ninety-one".