115133769522 has 90 divisors (see below), whose sum is σ = 263468201997. Its totient is φ = 37578952944.

The previous prime is 115133769511. The next prime is 115133769529. The reversal of 115133769522 is 225967331511.

115133769522 is a `hidden beast` number, since 1 + 1 + 51 + 3 + 3 + 76 + 9 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109211081841 + 5922687681 = 330471^2 + 76959^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=239931.

It is a super-2 number, since 2×115133769522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115133769529) 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 44 ways as a sum of consecutive naturals, for example, 228893923 + ... + 228894425.

Almost surely, 2^115133769522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115133769522

115133769522 is an abundant number, since it is smaller than the sum of its proper divisors (148334432475).

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

115133769522 is an frugal number, since it uses more digits than its factorization.

115133769522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 561 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The spelling of 115133769522 in words is "one hundred fifteen billion, one hundred thirty-three million, seven hundred sixty-nine thousand, five hundred twenty-two".