115144352525 has 24 divisors (see below), whose sum is σ = 143274744264. Its totient is φ = 91796140800.

The previous prime is 115144352489. The next prime is 115144352567. The reversal of 115144352525 is 525253441511.

It can be written as a sum of positive squares in 12 ways, for example, as 43241538916 + 71902813609 = 207946^2 + 268147^2 .

It is not a de Polignac number, because 115144352525 - 2¹⁰ = 115144351501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 10487939 + ... + 10498911.

It is an arithmetic number, because the mean of its divisors is an integer number (5969781011).

Almost surely, 2^115144352525 is an apocalyptic number.

It is an amenable number.

115144352525 is a deficient number, since it is larger than the sum of its proper divisors (28130391739).

115144352525 is a wasteful number, since it uses less digits than its factorization.

115144352525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401 (or 12396 counting only the distinct ones).

The product of its digits is 120000, while the sum is 38.

The spelling of 115144352525 in words is "one hundred fifteen billion, one hundred forty-four million, three hundred fifty-two thousand, five hundred twenty-five".