1345115555620 has 48 divisors (see below), whose sum is σ = 2840146219008. Its totient is φ = 535113434240.

The previous prime is 1345115555617. The next prime is 1345115555647. The reversal of 1345115555620 is 265555115431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18846642 + ... + 18917878.

It is an arithmetic number, because the mean of its divisors is an integer number (59169712896).

Almost surely, 2^{1345115555620} is an apocalyptic number.

1345115555620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345115555620 is an abundant number, since it is smaller than the sum of its proper divisors (1495030663388).

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

1345115555620 is a wasteful number, since it uses less digits than its factorization.

1345115555620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76380 (or 76378 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 1345115555620 in words is "one trillion, three hundred forty-five billion, one hundred fifteen million, five hundred fifty-five thousand, six hundred twenty".