1252412550543 has 48 divisors (see below), whose sum is σ = 2122985476224. Its totient is φ = 649414059840.

The previous prime is 1252412550539. The next prime is 1252412550577. The reversal of 1252412550543 is 3450552142521.

It is not a de Polignac number, because 1252412550543 - 2² = 1252412550539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252412550503) 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 47 ways as a sum of consecutive naturals, for example, 176521 + ... + 1592477.

It is an arithmetic number, because the mean of its divisors is an integer number (44228864088).

Almost surely, 2^{1252412550543} is an apocalyptic number.

1252412550543 is a deficient number, since it is larger than the sum of its proper divisors (870572925681).

1252412550543 is a wasteful number, since it uses less digits than its factorization.

1252412550543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416532 (or 1416525 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1252412550543 in words is "one trillion, two hundred fifty-two billion, four hundred twelve million, five hundred fifty thousand, five hundred forty-three".