2003451550000 has 60 divisors (see below), whose sum is σ = 4851798808752. Its totient is φ = 801380600000.

The previous prime is 2003451549989. The next prime is 2003451550039. The reversal of 2003451550000 is 551543002.

It is a super-2 number, since 2×2003451550000² (a number of 25 digits) contains 22 as substring.

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, 19984516 + ... + 20084515.

Almost surely, 2^{2003451550000} is an apocalyptic number.

2003451550000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003451550000 is an abundant number, since it is smaller than the sum of its proper divisors (2848347258752).

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

2003451550000 is an frugal number, since it uses more digits than its factorization.

2003451550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40069064 (or 40069038 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 2003451550000 in words is "two trillion, three billion, four hundred fifty-one million, five hundred fifty thousand".