5611691456 has 28 divisors (see below), whose sum is σ = 12726515568. Its totient is φ = 2405010432.

The previous prime is 5611691441. The next prime is 5611691461. The reversal of 5611691456 is 6541961165.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6262601 + ... + 6263496.

Almost surely, 2^5611691456 is an apocalyptic number.

5611691456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5611691456 is an abundant number, since it is smaller than the sum of its proper divisors (7114824112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5611691456 is a wasteful number, since it uses less digits than its factorization.

5611691456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526116 (or 12526106 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 5611691456 is about 74911.2238319466. The cubic root of 5611691456 is about 1777.0429647551.

The spelling of 5611691456 in words is "five billion, six hundred eleven million, six hundred ninety-one thousand, four hundred fifty-six".