2315213541550 has 72 divisors (see below), whose sum is σ = 5394702045096. Its totient is φ = 732726912960.

The previous prime is 2315213541499. The next prime is 2315213541581. The reversal of 2315213541550 is 551453125132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36313732 + ... + 36377431.

It is an arithmetic number, because the mean of its divisors is an integer number (74926417293).

Almost surely, 2^{2315213541550} is an apocalyptic number.

2315213541550 is an abundant number, since it is smaller than the sum of its proper divisors (3079488503546).

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

2315213541550 is a wasteful number, since it uses less digits than its factorization.

2315213541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72691202 (or 72691190 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 2315213541550 its reverse (551453125132), we get a palindrome (2866666666682).

The spelling of 2315213541550 in words is "two trillion, three hundred fifteen billion, two hundred thirteen million, five hundred forty-one thousand, five hundred fifty".