1161522496 has 28 divisors (see below), whose sum is σ = 2311470612. Its totient is φ = 579104768.

The previous prime is 1161522473. The next prime is 1161522499. The reversal of 1161522496 is 6942251611.

It can be written as a sum of positive squares in 2 ways, for example, as 435974400 + 725548096 = 20880^2 + 26936^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161522499) 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, 3115 + ... + 48298.

Almost surely, 2^1161522496 is an apocalyptic number.

1161522496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1161522496 is a deficient number, since it is larger than the sum of its proper divisors (1149948116).

1161522496 is an equidigital number, since it uses as much as digits as its factorization.

1161522496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51778 (or 51768 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 1161522496 is about 34081.1164136388. The cubic root of 1161522496 is about 1051.1770612634.

The spelling of 1161522496 in words is "one billion, one hundred sixty-one million, five hundred twenty-two thousand, four hundred ninety-six".