5691117545 has 8 divisors (see below), whose sum is σ = 6995910600. Its totient is φ = 4441847680.

The previous prime is 5691117541. The next prime is 5691117559. The reversal of 5691117545 is 5457111965.

It can be written as a sum of positive squares in 4 ways, for example, as 57714409 + 5633403136 = 7597^2 + 75056^2 .

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

It is not a de Polignac number, because 5691117545 - 2² = 5691117541 is a prime.

It is a super-2 number, since 2×5691117545² = 64777637822013654050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5691117496 and 5691117505.

It is not an unprimeable number, because it can be changed into a prime (5691117541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13880570 + ... + 13880979.

It is an arithmetic number, because the mean of its divisors is an integer number (874488825).

Almost surely, 2^5691117545 is an apocalyptic number.

It is an amenable number.

5691117545 is a deficient number, since it is larger than the sum of its proper divisors (1304793055).

5691117545 is a wasteful number, since it uses less digits than its factorization.

5691117545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27761595.

The product of its digits is 189000, while the sum is 44.

The square root of 5691117545 is about 75439.4959222290. The cubic root of 5691117545 is about 1785.3876180919.

The spelling of 5691117545 in words is "five billion, six hundred ninety-one million, one hundred seventeen thousand, five hundred forty-five".