5456511878811 has 8 divisors (see below), whose sum is σ = 8314684767744. Its totient is φ = 3118006787880.

The previous prime is 5456511878809. The next prime is 5456511878833. The reversal of 5456511878811 is 1188781156545.

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

It is not a de Polignac number, because 5456511878811 - 2¹ = 5456511878809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5456511878911) 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, 129916949475 + ... + 129916949516.

It is an arithmetic number, because the mean of its divisors is an integer number (1039335595968).

Almost surely, 2^{5456511878811} is an apocalyptic number.

5456511878811 is a deficient number, since it is larger than the sum of its proper divisors (2858172888933).

5456511878811 is a wasteful number, since it uses less digits than its factorization.

5456511878811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259833899001.

The product of its digits is 10752000, while the sum is 60.

The spelling of 5456511878811 in words is "five trillion, four hundred fifty-six billion, five hundred eleven million, eight hundred seventy-eight thousand, eight hundred eleven".