1135572048 has 140 divisors (see below), whose sum is σ = 3552971380. Its totient is φ = 349360128.

The previous prime is 1135572019. The next prime is 1135572089. The reversal of 1135572048 is 8402755311.

1135572048 is a `hidden beast` number, since 11 + 35 + 572 + 0 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 353139264 + 782432784 = 18792^2 + 27972^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 147888 + ... + 155376.

It is an arithmetic number, because the mean of its divisors is an integer number (25378367).

Almost surely, 2^1135572048 is an apocalyptic number.

1135572048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135572048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776485690).

1135572048 is an abundant number, since it is smaller than the sum of its proper divisors (2417399332).

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

1135572048 is an equidigital number, since it uses as much as digits as its factorization.

1135572048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528 (or 7507 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1135572048 is about 33698.2499248848. The cubic root of 1135572048 is about 1043.2896475724.

The spelling of 1135572048 in words is "one billion, one hundred thirty-five million, five hundred seventy-two thousand, forty-eight".