1045465663600 has 120 divisors (see below), whose sum is σ = 2521062414000. Its totient is φ = 416635269120.

The previous prime is 1045465663589. The next prime is 1045465663661. The reversal of 1045465663600 is 63665645401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156997071 + ... + 157003729.

It is an arithmetic number, because the mean of its divisors is an integer number (21008853450).

Almost surely, 2^{1045465663600} is an apocalyptic number.

1045465663600 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 1045465663600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260531207000).

1045465663600 is an abundant number, since it is smaller than the sum of its proper divisors (1475596750400).

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

1045465663600 is a wasteful number, since it uses less digits than its factorization.

1045465663600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075 (or 8064 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 1045465663600 in words is "one trillion, forty-five billion, four hundred sixty-five million, six hundred sixty-three thousand, six hundred".