1055050051111 has 4 divisors (see below), whose sum is σ = 1205771486992. Its totient is φ = 904328615232.

The previous prime is 1055050051063. The next prime is 1055050051123. The reversal of 1055050051111 is 1111500505501.

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

It is not a de Polignac number, because 1055050051111 - 2¹³ = 1055050042919 is a prime.

It is a super-2 number, since 2×1055050051111² (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 (1055050051141) 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, 75360717930 + ... + 75360717943.

It is an arithmetic number, because the mean of its divisors is an integer number (301442871748).

Almost surely, 2^{1055050051111} is an apocalyptic number.

1055050051111 is a deficient number, since it is larger than the sum of its proper divisors (150721435881).

1055050051111 is an equidigital number, since it uses as much as digits as its factorization.

1055050051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150721435880.

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 1055050051111 its reverse (1111500505501), we get a palindrome (2166550556612).

The spelling of 1055050051111 in words is "one trillion, fifty-five billion, fifty million, fifty-one thousand, one hundred eleven".