1443005520100 has 36 divisors (see below), whose sum is σ = 3131653756644. Its totient is φ = 577141050880.

The previous prime is 1443005520079. The next prime is 1443005520137. The reversal of 1443005520100 is 10255003441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20596268196 + 1422409251904 = 143514^2 + 1192648^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189984 + ... + 1709416.

It is an arithmetic number, because the mean of its divisors is an integer number (86990382129).

Almost surely, 2^{1443005520100} is an apocalyptic number.

1443005520100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443005520100 is an abundant number, since it is smaller than the sum of its proper divisors (1688648236544).

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

1443005520100 is a wasteful number, since it uses less digits than its factorization.

1443005520100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528944 (or 1528937 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

It can be divided in two parts, 144300 and 5520100, that added together give a square (5664400 = 2380²).

The spelling of 1443005520100 in words is "one trillion, four hundred forty-three billion, five million, five hundred twenty thousand, one hundred".