1145505502000 has 80 divisors (see below), whose sum is σ = 2773786957344. Its totient is φ = 457548000000.

The previous prime is 1145505501953. The next prime is 1145505502033. The reversal of 1145505502000 is 2055055411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1145505502000² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145505502000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993475 + ... + 1810525.

Almost surely, 2^{1145505502000} is an apocalyptic number.

1145505502000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145505502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386893478672).

1145505502000 is an abundant number, since it is smaller than the sum of its proper divisors (1628281455344).

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

1145505502000 is an equidigital number, since it uses as much as digits as its factorization.

1145505502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817775 (or 817759 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 1145505502000 in words is "one trillion, one hundred forty-five billion, five hundred five million, five hundred two thousand".