15243558490000 has 75 divisors (see below), whose sum is σ = 36907124754423. Its totient is φ = 6097267224000.

The previous prime is 15243558489997. The next prime is 15243558490051. The reversal of 15243558490000 is 9485534251.

The square root of 15243558490000 is 3904300.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1195094985616 + 14048463504384 = 1093204^2 + 3748128^2 .

It is a super-3 number, since 3×15243558490000³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 390410479 + ... + 390449521.

Almost surely, 2^{15243558490000} is an apocalyptic number.

15243558490000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15243558490000 is the 3904300-th square number.

It is an amenable number.

15243558490000 is an abundant number, since it is smaller than the sum of its proper divisors (21663566264423).

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

15243558490000 is an frugal number, since it uses more digits than its factorization.

15243558490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78114 (or 39050 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 15243558490000 in words is "fifteen trillion, two hundred forty-three billion, five hundred fifty-eight million, four hundred ninety thousand".