2115231342450 has 24 divisors (see below), whose sum is σ = 5245773729648. Its totient is φ = 564061691280.

The previous prime is 2115231342449. The next prime is 2115231342487. The reversal of 2115231342450 is 542431325112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7050770992 + ... + 7050771291.

It is an arithmetic number, because the mean of its divisors is an integer number (218573905402).

Almost surely, 2^{2115231342450} is an apocalyptic number.

2115231342450 is an abundant number, since it is smaller than the sum of its proper divisors (3130542387198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115231342450 is a wasteful number, since it uses less digits than its factorization.

2115231342450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14101542298 (or 14101542293 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 2115231342450 its reverse (542431325112), we get a palindrome (2657662667562).

The spelling of 2115231342450 in words is "two trillion, one hundred fifteen billion, two hundred thirty-one million, three hundred forty-two thousand, four hundred fifty".