1050055561111 has 8 divisors (see below), whose sum is σ = 1123285635360. Its totient is φ = 978099053568.

The previous prime is 1050055561031. The next prime is 1050055561123. The reversal of 1050055561111 is 1111655500501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050055561111 is a prime.

It is a super-2 number, since 2×1050055561111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050055561171) 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, 318389971 + ... + 318393268.

It is an arithmetic number, because the mean of its divisors is an integer number (140410704420).

Almost surely, 2^{1050055561111} is an apocalyptic number.

1050055561111 is a deficient number, since it is larger than the sum of its proper divisors (73230074249).

1050055561111 is an equidigital number, since it uses as much as digits as its factorization.

1050055561111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636783353.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 1050055561111 in words is "one trillion, fifty billion, fifty-five million, five hundred sixty-one thousand, one hundred eleven".