115571011522025 has 6 divisors (see below), whose sum is σ = 143308054287342. Its totient is φ = 92456809217600.

The previous prime is 115571011522003. The next prime is 115571011522117. The reversal of 115571011522025 is 520225110175511.

It can be written as a sum of positive squares in 3 ways, for example, as 31580623472896 + 83990388049129 = 5619664^2 + 9164627^2 .

It is not a de Polignac number, because 115571011522025 - 2¹⁴ = 115571011505641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115571011522025.

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, 2311420230416 + ... + 2311420230465.

It is an arithmetic number, because the mean of its divisors is an integer number (23884675714557).

Almost surely, 2^{115571011522025} is an apocalyptic number.

It is an amenable number.

115571011522025 is a deficient number, since it is larger than the sum of its proper divisors (27737042765317).

115571011522025 is an equidigital number, since it uses as much as digits as its factorization.

115571011522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622840460891 (or 4622840460886 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 38.

Adding to 115571011522025 its reverse (520225110175511), we get a palindrome (635796121697536).

The spelling of 115571011522025 in words is "one hundred fifteen trillion, five hundred seventy-one billion, eleven million, five hundred twenty-two thousand, twenty-five".