6111261554143 has 4 divisors (see below), whose sum is σ = 6111440191440. Its totient is φ = 6111082916848.

The previous prime is 6111261554129. The next prime is 6111261554147. The reversal of 6111261554143 is 3414551621116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111261554143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6111261554096 and 6111261554105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6111261554147) 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, 89267323 + ... + 89335756.

It is an arithmetic number, because the mean of its divisors is an integer number (1527860047860).

Almost surely, 2^{6111261554143} is an apocalyptic number.

6111261554143 is a deficient number, since it is larger than the sum of its proper divisors (178637297).

6111261554143 is a wasteful number, since it uses less digits than its factorization.

6111261554143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178637296.

The product of its digits is 86400, while the sum is 40.

The spelling of 6111261554143 in words is "six trillion, one hundred eleven billion, two hundred sixty-one million, five hundred fifty-four thousand, one hundred forty-three".