3451540515412 has 12 divisors (see below), whose sum is σ = 6589304620416. Its totient is φ = 1568882052440.

The previous prime is 3451540515347. The next prime is 3451540515433. The reversal of 3451540515412 is 2145150451543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39222051268 + ... + 39222051355.

It is an arithmetic number, because the mean of its divisors is an integer number (549108718368).

Almost surely, 2^{3451540515412} is an apocalyptic number.

It is an amenable number.

3451540515412 is a deficient number, since it is larger than the sum of its proper divisors (3137764105004).

3451540515412 is a wasteful number, since it uses less digits than its factorization.

3451540515412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78444102638 (or 78444102636 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 3451540515412 its reverse (2145150451543), we get a palindrome (5596690966955).

The spelling of 3451540515412 in words is "three trillion, four hundred fifty-one billion, five hundred forty million, five hundred fifteen thousand, four hundred twelve".