1345043411550 has 96 divisors (see below), whose sum is σ = 3707425611360. Its totient is φ = 358573363200.

The previous prime is 1345043411513. The next prime is 1345043411587. The reversal of 1345043411550 is 551143405431.

1345043411550 is a `hidden beast` number, since 1 + 3 + 4 + 50 + 43 + 4 + 11 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (1345043411513) and next prime (1345043411587).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4528414 + ... + 4816286.

It is an arithmetic number, because the mean of its divisors is an integer number (38619016785).

Almost surely, 2^{1345043411550} is an apocalyptic number.

1345043411550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345043411550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853712805680).

1345043411550 is an abundant number, since it is smaller than the sum of its proper divisors (2362382199810).

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

1345043411550 is a wasteful number, since it uses less digits than its factorization.

1345043411550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291355 (or 291344 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1345043411550 its reverse (551143405431), we get a palindrome (1896186816981).

The spelling of 1345043411550 in words is "one trillion, three hundred forty-five billion, forty-three million, four hundred eleven thousand, five hundred fifty".