1051115055 has 32 divisors (see below), whose sum is σ = 1818163200. Its totient is φ = 516730752.

The previous prime is 1051115053. The next prime is 1051115089. The reversal of 1051115055 is 5505111501.

It is not a de Polignac number, because 1051115055 - 2¹ = 1051115053 is a prime.

It is a super-2 number, since 2×1051115055² = 2209685717695306050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051115053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39295 + ... + 60384.

It is an arithmetic number, because the mean of its divisors is an integer number (56817600).

Almost surely, 2^1051115055 is an apocalyptic number.

1051115055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1051115055 is a deficient number, since it is larger than the sum of its proper divisors (767048145).

1051115055 is a wasteful number, since it uses less digits than its factorization.

1051115055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99743.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1051115055 is about 32420.9045987307. The cubic root of 1051115055 is about 1016.7560193199.

Adding to 1051115055 its reverse (5505111501), we get a palindrome (6556226556).

The spelling of 1051115055 in words is "one billion, fifty-one million, one hundred fifteen thousand, fifty-five".