1543048418025 has 27 divisors (see below), whose sum is σ = 2763804540549. Its totient is φ = 822949218720.

The previous prime is 1543048418011. The next prime is 1543048418053. The reversal of 1543048418025 is 5208148403451.

The square root of 1543048418025 is 1242195.

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

1543048418025 is a `hidden beast` number, since 1 + 543 + 0 + 4 + 8 + 4 + 1 + 80 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13750142121 + 1529298275904 = 117261^2 + 1236648^2 .

It is not a de Polignac number, because 1543048418025 - 2⁵ = 1543048417993 is a prime.

It is a super-3 number, since 3×1543048418025³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18591519 + ... + 18674331.

Almost surely, 2^{1543048418025} is an apocalyptic number.

1543048418025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1543048418025 is the 1242195-th square number.

1543048418025 is the 621098-th centered octagonal number.

It is an amenable number.

1543048418025 is a deficient number, since it is larger than the sum of its proper divisors (1220756122524).

1543048418025 is an frugal number, since it uses more digits than its factorization.

1543048418025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165642 (or 82821 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 1543048418025 in words is "one trillion, five hundred forty-three billion, forty-eight million, four hundred eighteen thousand, twenty-five".