115525524142440 has 96 divisors (see below), whose sum is σ = 375749233446600. Its totient is φ = 30782906542080.

The previous prime is 115525524142409. The next prime is 115525524142453. The reversal of 115525524142440 is 44241425525511.

115525524142440 is a `hidden beast` number, since 1 + 1 + 5 + 52 + 5 + 524 + 14 + 24 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108116033268996 + 7409490873444 = 10397886^2 + 2722038^2 .

It is a super-2 number, since 2×115525524142440² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124013941 + ... + 124942020.

Almost surely, 2^{115525524142440} is an apocalyptic number.

115525524142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115525524142440 is an abundant number, since it is smaller than the sum of its proper divisors (260223709304160).

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

115525524142440 is a wasteful number, since it uses less digits than its factorization.

115525524142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248957267 (or 248957260 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 45.

Adding to 115525524142440 its reverse (44241425525511), we get a palindrome (159766949667951).

The spelling of 115525524142440 in words is "one hundred fifteen trillion, five hundred twenty-five billion, five hundred twenty-four million, one hundred forty-two thousand, four hundred forty".