1051200550543 has 16 divisors (see below), whose sum is σ = 1247204381472. Its totient is φ = 873392400000.

The previous prime is 1051200550523. The next prime is 1051200550553. The reversal of 1051200550543 is 3450550021501.

It is a cyclic number.

It is not a de Polignac number, because 1051200550543 - 2³³ = 1042610615951 is a prime.

It is a super-2 number, since 2×1051200550543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051200550513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36376908 + ... + 36405793.

It is an arithmetic number, because the mean of its divisors is an integer number (77950273842).

Almost surely, 2^{1051200550543} is an apocalyptic number.

1051200550543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1051200550543 is a deficient number, since it is larger than the sum of its proper divisors (196003830929).

1051200550543 is a wasteful number, since it uses less digits than its factorization.

1051200550543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72782826.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1051200550543 in words is "one trillion, fifty-one billion, two hundred million, five hundred fifty thousand, five hundred forty-three".