1111052553 has 16 divisors (see below), whose sum is σ = 1650371520. Its totient is φ = 660147264.

The previous prime is 1111052543. The next prime is 1111052567. The reversal of 1111052553 is 3552501111.

It is not a de Polignac number, because 1111052553 - 2¹⁴ = 1111036169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111052543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490051 + ... + 492312.

It is an arithmetic number, because the mean of its divisors is an integer number (103148220).

Almost surely, 2^1111052553 is an apocalyptic number.

1111052553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111052553 is a deficient number, since it is larger than the sum of its proper divisors (539318967).

1111052553 is a wasteful number, since it uses less digits than its factorization.

1111052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982408.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1111052553 is about 33332.4549500933. The cubic root of 1111052553 is about 1035.7259729650.

Adding to 1111052553 its reverse (3552501111), we get a palindrome (4663553664).

The spelling of 1111052553 in words is "one billion, one hundred eleven million, fifty-two thousand, five hundred fifty-three".