1055554111 has 8 divisors (see below), whose sum is σ = 1101809664. Its totient is φ = 1009328760.

The previous prime is 1055554099. The next prime is 1055554121. The reversal of 1055554111 is 1114555501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055554111 - 2¹³ = 1055545919 is a prime.

It is a super-2 number, since 2×1055554111² = 2228388962498000642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055554111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055554121) 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, 91890 + ... + 102736.

It is an arithmetic number, because the mean of its divisors is an integer number (137726208).

Almost surely, 2^1055554111 is an apocalyptic number.

1055554111 is a deficient number, since it is larger than the sum of its proper divisors (46255553).

1055554111 is a wasteful number, since it uses less digits than its factorization.

1055554111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101.

The product of its (nonzero) digits is 2500, while the sum is 28.

The square root of 1055554111 is about 32489.2922514480. The cubic root of 1055554111 is about 1018.1853262434.

The spelling of 1055554111 in words is "one billion, fifty-five million, five hundred fifty-four thousand, one hundred eleven".