115211541343251 has 16 divisors (see below), whose sum is σ = 153868495536000. Its totient is φ = 76681148659968.

The previous prime is 115211541343237. The next prime is 115211541343309. The reversal of 115211541343251 is 152343145112511.

It is a happy number.

It is not a de Polignac number, because 115211541343251 - 2²² = 115211537148947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115211541343211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57792040 + ... + 59752346.

It is an arithmetic number, because the mean of its divisors is an integer number (9616780971000).

Almost surely, 2^{115211541343251} is an apocalyptic number.

115211541343251 is a deficient number, since it is larger than the sum of its proper divisors (38656954192749).

115211541343251 is a wasteful number, since it uses less digits than its factorization.

115211541343251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992578.

The product of its digits is 72000, while the sum is 39.

Adding to 115211541343251 its reverse (152343145112511), we get a palindrome (267554686455762).

The spelling of 115211541343251 in words is "one hundred fifteen trillion, two hundred eleven billion, five hundred forty-one million, three hundred forty-three thousand, two hundred fifty-one".