1800153609512 has 16 divisors (see below), whose sum is σ = 3376849960500. Its totient is φ = 899660286720.

The previous prime is 1800153609503. The next prime is 1800153609613. The reversal of 1800153609512 is 2159063510081.

It can be written as a sum of positive squares in 2 ways, for example, as 1641027612676 + 159125996836 = 1281026^2 + 398906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1800153609512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52046387 + ... + 52080962.

Almost surely, 2^{1800153609512} is an apocalyptic number.

It is an amenable number.

1800153609512 is a deficient number, since it is larger than the sum of its proper divisors (1576696350988).

1800153609512 is a wasteful number, since it uses less digits than its factorization.

1800153609512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104129516 (or 104129512 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 1800153609512 in words is "one trillion, eight hundred billion, one hundred fifty-three million, six hundred nine thousand, five hundred twelve".