1055950111 has 4 divisors (see below), whose sum is σ = 1075873752. Its totient is φ = 1036026472.

The previous prime is 1055950069. The next prime is 1055950123. The reversal of 1055950111 is 1110595501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110595501 = 73 ⋅15213637.

It is a cyclic number.

It is not a de Polignac number, because 1055950111 - 2¹³ = 1055941919 is a prime.

It is a super-2 number, since 2×1055950111² = 2230061273841824642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055950111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055950711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9961741 + ... + 9961846.

It is an arithmetic number, because the mean of its divisors is an integer number (268968438).

Almost surely, 2^1055950111 is an apocalyptic number.

1055950111 is a deficient number, since it is larger than the sum of its proper divisors (19923641).

1055950111 is an equidigital number, since it uses as much as digits as its factorization.

1055950111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19923640.

The product of its (nonzero) digits is 1125, while the sum is 28.

The square root of 1055950111 is about 32495.3859955533. The cubic root of 1055950111 is about 1018.3126372528.

The spelling of 1055950111 in words is "one billion, fifty-five million, nine hundred fifty thousand, one hundred eleven".