1203115552000 has 72 divisors (see below), whose sum is σ = 2997111309192. Its totient is φ = 481246208000.

The previous prime is 1203115551931. The next prime is 1203115552063. The reversal of 1203115552000 is 2555113021.

It can be written as a sum of positive squares in 4 ways, for example, as 169493596416 + 1033621955584 = 411696^2 + 1016672^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18766681 + ... + 18830680.

It is an arithmetic number, because the mean of its divisors is an integer number (41626545961).

Almost surely, 2^{1203115552000} is an apocalyptic number.

1203115552000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203115552000 is an abundant number, since it is smaller than the sum of its proper divisors (1793995757192).

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

1203115552000 is an frugal number, since it uses more digits than its factorization.

1203115552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37597392 (or 37597368 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 1203115552000 in words is "one trillion, two hundred three billion, one hundred fifteen million, five hundred fifty-two thousand".