6111261544550 has 24 divisors (see below), whose sum is σ = 11965206815400. Its totient is φ = 2315846479680.

The previous prime is 6111261544547. The next prime is 6111261544601. The reversal of 6111261544550 is 554451621116.

It is a junction number, because it is equal to n+sod(n) for n = 6111261544498 and 6111261544507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216452495 + ... + 3216454394.

It is an arithmetic number, because the mean of its divisors is an integer number (498550283975).

Almost surely, 2^{6111261544550} is an apocalyptic number.

6111261544550 is a deficient number, since it is larger than the sum of its proper divisors (5853945270850).

6111261544550 is a wasteful number, since it uses less digits than its factorization.

6111261544550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432906920 (or 6432906915 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 6111261544550 in words is "six trillion, one hundred eleven billion, two hundred sixty-one million, five hundred forty-four thousand, five hundred fifty".