1043541361155 has 32 divisors (see below), whose sum is σ = 1671519193344. Its totient is φ = 555938086016.

The previous prime is 1043541361151. The next prime is 1043541361157. The reversal of 1043541361155 is 5511631453401.

It is a cyclic number.

It is not a de Polignac number, because 1043541361155 - 2² = 1043541361151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043541361151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55067392 + ... + 55086338.

It is an arithmetic number, because the mean of its divisors is an integer number (52234974792).

Almost surely, 2^{1043541361155} is an apocalyptic number.

1043541361155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1043541361155 is a deficient number, since it is larger than the sum of its proper divisors (627977832189).

1043541361155 is a wasteful number, since it uses less digits than its factorization.

1043541361155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22835.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 1043541361155 in words is "one trillion, forty-three billion, five hundred forty-one million, three hundred sixty-one thousand, one hundred fifty-five".