115351221001251 has 8 divisors (see below), whose sum is σ = 153801683884800. Its totient is φ = 76900786059272.

The previous prime is 115351221001213. The next prime is 115351221001273. The reversal of 115351221001251 is 152100122153511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115351221001251 - 2¹⁹ = 115351220476963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115351221001151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206050 + ... + 16407848.

It is an arithmetic number, because the mean of its divisors is an integer number (19225210485600).

Almost surely, 2^{115351221001251} is an apocalyptic number.

115351221001251 is a deficient number, since it is larger than the sum of its proper divisors (38450462883549).

115351221001251 is a wasteful number, since it uses less digits than its factorization.

115351221001251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970785.

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 115351221001251 its reverse (152100122153511), we get a palindrome (267451343154762).

The spelling of 115351221001251 in words is "one hundred fifteen trillion, three hundred fifty-one billion, two hundred twenty-one million, one thousand, two hundred fifty-one".