1204155132543 has 96 divisors (see below), whose sum is σ = 2018067996672. Its totient is φ = 685096473600.

The previous prime is 1204155132541. The next prime is 1204155132553. The reversal of 1204155132543 is 3452315514021.

1204155132543 is a `hidden beast` number, since 1 + 2 + 0 + 41 + 551 + 3 + 25 + 43 = 666.

It is not a de Polignac number, because 1204155132543 - 2¹ = 1204155132541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204155132498 and 1204155132507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204155132541) 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 95 ways as a sum of consecutive naturals, for example, 16262521 + ... + 16336397.

It is an arithmetic number, because the mean of its divisors is an integer number (21021541632).

Almost surely, 2^{1204155132543} is an apocalyptic number.

1204155132543 is a deficient number, since it is larger than the sum of its proper divisors (813912864129).

1204155132543 is a wasteful number, since it uses less digits than its factorization.

1204155132543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74085 (or 74082 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1204155132543 in words is "one trillion, two hundred four billion, one hundred fifty-five million, one hundred thirty-two thousand, five hundred forty-three".