2145315131610 has 64 divisors (see below), whose sum is σ = 5972118239232. Its totient is φ = 483038968896.

The previous prime is 2145315131599. The next prime is 2145315131611. The reversal of 2145315131610 is 161315135412.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2145315131611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76223142 + ... + 76251281.

It is an arithmetic number, because the mean of its divisors is an integer number (93314347488).

Almost surely, 2^{2145315131610} is an apocalyptic number.

2145315131610 is an abundant number, since it is smaller than the sum of its proper divisors (3826803107622).

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

2145315131610 is a wasteful number, since it uses less digits than its factorization.

2145315131610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152474507.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 2145315131610 in words is "two trillion, one hundred forty-five billion, three hundred fifteen million, one hundred thirty-one thousand, six hundred ten".