1055111101 has 8 divisors (see below), whose sum is σ = 1170540000. Its totient is φ = 942933840.

The previous prime is 1055111093. The next prime is 1055111107. The reversal of 1055111101 is 1011115501.

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 1055111101 - 2³ = 1055111093 is a prime.

It is a super-2 number, since 2×1055111101² = 2226518870906864402, which 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 (1055111107) 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, 812226 + ... + 813523.

It is an arithmetic number, because the mean of its divisors is an integer number (146317500).

Almost surely, 2^1055111101 is an apocalyptic number.

1055111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1055111101 is a deficient number, since it is larger than the sum of its proper divisors (115428899).

1055111101 is a wasteful number, since it uses less digits than its factorization.

1055111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625819.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 1055111101 is about 32482.4737512401. The cubic root of 1055111101 is about 1018.0428641328.

Adding to 1055111101 its reverse (1011115501), we get a palindrome (2066226602).

The spelling of 1055111101 in words is "one billion, fifty-five million, one hundred eleven thousand, one hundred one".