2315120002251 has 8 divisors (see below), whose sum is σ = 3527801908224. Its totient is φ = 1322925715560.

The previous prime is 2315120002243. The next prime is 2315120002259. The reversal of 2315120002251 is 1522000215132.

It is an interprime number because it is at equal distance from previous prime (2315120002243) and next prime (2315120002259).

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

It is not a de Polignac number, because 2315120002251 - 2³ = 2315120002243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2315120002259) 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, 55121904795 + ... + 55121904836.

It is an arithmetic number, because the mean of its divisors is an integer number (440975238528).

Almost surely, 2^{2315120002251} is an apocalyptic number.

2315120002251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2315120002251 is a deficient number, since it is larger than the sum of its proper divisors (1212681905973).

2315120002251 is a wasteful number, since it uses less digits than its factorization.

2315120002251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110243809641.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 2315120002251 its reverse (1522000215132), we get a palindrome (3837120217383).

The spelling of 2315120002251 in words is "two trillion, three hundred fifteen billion, one hundred twenty million, two thousand, two hundred fifty-one".