115035021251 has 2 divisors, whose sum is σ = 115035021252. Its totient is φ = 115035021250.

The previous prime is 115035021239. The next prime is 115035021329. The reversal of 115035021251 is 152120530511.

It is a weak prime.

It is an emirp because it is prime and its reverse (152120530511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115035021251 - 2¹⁴ = 115035004867 is a prime.

It is a super-2 number, since 2×115035021251² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115035021251.

It is not a weakly prime, because it can be changed into another prime (115035021851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57517510625 + 57517510626.

It is an arithmetic number, because the mean of its divisors is an integer number (57517510626).

Almost surely, 2^115035021251 is an apocalyptic number.

115035021251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115035021251 is an equidigital number, since it uses as much as digits as its factorization.

115035021251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 115035021251 its reverse (152120530511), we get a palindrome (267155551762).

The spelling of 115035021251 in words is "one hundred fifteen billion, thirty-five million, twenty-one thousand, two hundred fifty-one".