122315132455525 has 6 divisors (see below), whose sum is σ = 151670764244882. Its totient is φ = 97852105964400.

The previous prime is 122315132455507. The next prime is 122315132455541. The reversal of 122315132455525 is 525554231513221.

It can be written as a sum of positive squares in 3 ways, for example, as 5722496446276 + 116592636009249 = 2392174^2 + 10797807^2 .

It is a de Polignac number, because none of the positive numbers 2^k-122315132455525 is a prime.

It is a super-2 number, since 2×122315132455525² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446302649086 + ... + 2446302649135.

Almost surely, 2^{122315132455525} is an apocalyptic number.

It is an amenable number.

122315132455525 is a deficient number, since it is larger than the sum of its proper divisors (29355631789357).

122315132455525 is an equidigital number, since it uses as much as digits as its factorization.

122315132455525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892605298231 (or 4892605298226 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

Adding to 122315132455525 its reverse (525554231513221), we get a palindrome (647869363968746).

The spelling of 122315132455525 in words is "one hundred twenty-two trillion, three hundred fifteen billion, one hundred thirty-two million, four hundred fifty-five thousand, five hundred twenty-five".