1161522495 has 24 divisors (see below), whose sum is σ = 2300921376. Its totient is φ = 530981568.

The previous prime is 1161522473. The next prime is 1161522499. The reversal of 1161522495 is 5942251611.

1161522495 is a `hidden beast` number, since 1 + 16 + 152 + 2 + 495 = 666.

It is not a de Polignac number, because 1161522495 - 2¹² = 1161518399 is a prime.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1843372 + ... + 1844001.

It is an arithmetic number, because the mean of its divisors is an integer number (95871724).

Almost surely, 2^1161522495 is an apocalyptic number.

1161522495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1161522495 is a deficient number, since it is larger than the sum of its proper divisors (1139398881).

1161522495 is a wasteful number, since it uses less digits than its factorization.

1161522495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687391 (or 3687388 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1161522495 is about 34081.1163989679. The cubic root of 1161522495 is about 1051.1770609617.

The spelling of 1161522495 in words is "one billion, one hundred sixty-one million, five hundred twenty-two thousand, four hundred ninety-five".