1055742111 has 6 divisors (see below), whose sum is σ = 1524960840. Its totient is φ = 703828068.

The previous prime is 1055742091. The next prime is 1055742137. The reversal of 1055742111 is 1112475501.

It is a de Polignac number, because none of the positive numbers 2^k-1055742111 is a prime.

It is a super-2 number, since 2×1055742111² = 2229182809877472642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055742511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58652331 + ... + 58652348.

It is an arithmetic number, because the mean of its divisors is an integer number (254160140).

Almost surely, 2^1055742111 is an apocalyptic number.

1055742111 is a deficient number, since it is larger than the sum of its proper divisors (469218729).

1055742111 is a wasteful number, since it uses less digits than its factorization.

1055742111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117304685 (or 117304682 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1055742111 is about 32492.1853835657. The cubic root of 1055742111 is about 1018.2457707929.

The spelling of 1055742111 in words is "one billion, fifty-five million, seven hundred forty-two thousand, one hundred eleven".