115151610465 has 48 divisors (see below), whose sum is σ = 216491695056. Its totient is φ = 56391782400.

The previous prime is 115151610421. The next prime is 115151610467. The reversal of 115151610465 is 564016151511.

It can be written as a sum of positive squares in 8 ways, for example, as 27335992896 + 87815617569 = 165336^2 + 296337^2 .

It is not a de Polignac number, because 115151610465 - 2⁸ = 115151610209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115151610467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1804306 + ... + 1867035.

It is an arithmetic number, because the mean of its divisors is an integer number (4510243647).

Almost surely, 2^115151610465 is an apocalyptic number.

115151610465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115151610465 is a deficient number, since it is larger than the sum of its proper divisors (101340084591).

115151610465 is a wasteful number, since it uses less digits than its factorization.

115151610465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671410 (or 3671407 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

Adding to 115151610465 its reverse (564016151511), we get a palindrome (679167761976).

The spelling of 115151610465 in words is "one hundred fifteen billion, one hundred fifty-one million, six hundred ten thousand, four hundred sixty-five".