1112553645 has 32 divisors (see below), whose sum is σ = 2141460480. Its totient is φ = 481826880.

The previous prime is 1112553643. The next prime is 1112553671. The reversal of 1112553645 is 5463552111.

It is not a de Polignac number, because 1112553645 - 2¹ = 1112553643 is a prime.

It is a super-3 number, since 3×1112553645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112553643) 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, 276841 + ... + 280830.

It is an arithmetic number, because the mean of its divisors is an integer number (66920640).

Almost surely, 2^1112553645 is an apocalyptic number.

1112553645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112553645 is a deficient number, since it is larger than the sum of its proper divisors (1028906835).

1112553645 is a wasteful number, since it uses less digits than its factorization.

1112553645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557705.

The product of its digits is 18000, while the sum is 33.

The square root of 1112553645 is about 33354.9643231708. The cubic root of 1112553645 is about 1036.1922036345.

The spelling of 1112553645 in words is "one billion, one hundred twelve million, five hundred fifty-three thousand, six hundred forty-five".