5591399033361 has 4 divisors (see below), whose sum is σ = 7455198711152. Its totient is φ = 3727599355572.

The previous prime is 5591399033333. The next prime is 5591399033371. The reversal of 5591399033361 is 1633309931955.

It is a happy number.

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 not a de Polignac number, because 5591399033361 - 2¹³ = 5591399025169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5591399033371) 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, 931899838891 + ... + 931899838896.

It is an arithmetic number, because the mean of its divisors is an integer number (1863799677788).

Almost surely, 2^{5591399033361} is an apocalyptic number.

It is an amenable number.

5591399033361 is a deficient number, since it is larger than the sum of its proper divisors (1863799677791).

5591399033361 is a wasteful number, since it uses less digits than its factorization.

5591399033361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863799677790.

The product of its (nonzero) digits is 8857350, while the sum is 57.

The spelling of 5591399033361 in words is "five trillion, five hundred ninety-one billion, three hundred ninety-nine million, thirty-three thousand, three hundred sixty-one".