1111552653 has 4 divisors (see below), whose sum is σ = 1482070208. Its totient is φ = 741035100.

The previous prime is 1111552639. The next prime is 1111552657. The reversal of 1111552653 is 3562551111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1111552653 - 2¹⁴ = 1111536269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111552653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111552657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185258773 + ... + 185258778.

It is an arithmetic number, because the mean of its divisors is an integer number (370517552).

Almost surely, 2^1111552653 is an apocalyptic number.

It is an amenable number.

1111552653 is a deficient number, since it is larger than the sum of its proper divisors (370517555).

1111552653 is an equidigital number, since it uses as much as digits as its factorization.

1111552653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370517554.

The product of its digits is 4500, while the sum is 30.

The square root of 1111552653 is about 33339.9558038099. The cubic root of 1111552653 is about 1035.8813478128.

The spelling of 1111552653 in words is "one billion, one hundred eleven million, five hundred fifty-two thousand, six hundred fifty-three".