1055511126 has 48 divisors (see below), whose sum is σ = 2385172608. Its totient is φ = 336960000.

The previous prime is 1055511109. The next prime is 1055511137. The reversal of 1055511126 is 6211155501.

1055511126 is a `hidden beast` number, since 105 + 551 + 1 + 1 + 2 + 6 = 666.

It is a super-2 number, since 2×1055511126² = 2228207474219575752, 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 1055511126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44376 + ... + 63876.

It is an arithmetic number, because the mean of its divisors is an integer number (49691096).

Almost surely, 2^1055511126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055511126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192586304).

1055511126 is an abundant number, since it is smaller than the sum of its proper divisors (1329661482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055511126 is a wasteful number, since it uses less digits than its factorization.

1055511126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637 (or 19634 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 1055511126 is about 32488.6307190685. The cubic root of 1055511126 is about 1018.1715049749.

Adding to 1055511126 its reverse (6211155501), we get a palindrome (7266666627).

The spelling of 1055511126 in words is "one billion, fifty-five million, five hundred eleven thousand, one hundred twenty-six".