1161005592 has 64 divisors (see below), whose sum is σ = 3033262080. Its totient is φ = 369619712.

The previous prime is 1161005591. The next prime is 1161005603. The reversal of 1161005592 is 2955001611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161005591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524953 + ... + 527159.

It is an arithmetic number, because the mean of its divisors is an integer number (47394720).

Almost surely, 2^1161005592 is an apocalyptic number.

1161005592 is a gapful number since it is divisible by the number (12) 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 1161005592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516631040).

1161005592 is an abundant number, since it is smaller than the sum of its proper divisors (1872256488).

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

1161005592 is a wasteful number, since it uses less digits than its factorization.

1161005592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 1161005592 is about 34073.5321327273. The cubic root of 1161005592 is about 1051.0211055381.

The spelling of 1161005592 in words is "one billion, one hundred sixty-one million, five thousand, five hundred ninety-two".