6181340288855 has 4 divisors (see below), whose sum is σ = 7417608346632. Its totient is φ = 4945072231080.

The previous prime is 6181340288843. The next prime is 6181340288911. The reversal of 6181340288855 is 5588820431816.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6181340288855 - 2²² = 6181336094551 is a prime.

It is a super-2 number, since 2×6181340288855² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6181340288794 and 6181340288803.

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, 618134028881 + ... + 618134028890.

It is an arithmetic number, because the mean of its divisors is an integer number (1854402086658).

Almost surely, 2^{6181340288855} is an apocalyptic number.

6181340288855 is a deficient number, since it is larger than the sum of its proper divisors (1236268057777).

6181340288855 is a wasteful number, since it uses less digits than its factorization.

6181340288855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236268057776.

The product of its (nonzero) digits is 14745600, while the sum is 59.

The spelling of 6181340288855 in words is "six trillion, one hundred eighty-one billion, three hundred forty million, two hundred eighty-eight thousand, eight hundred fifty-five".