1155030243671 has 4 divisors (see below), whose sum is σ = 1171298275344. Its totient is φ = 1138762212000.

The previous prime is 1155030243641. The next prime is 1155030243677. The reversal of 1155030243671 is 1763420305511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1155030243671 - 2¹⁴ = 1155030227287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155030243677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8134015730 + ... + 8134015871.

It is an arithmetic number, because the mean of its divisors is an integer number (292824568836).

Almost surely, 2^{1155030243671} is an apocalyptic number.

1155030243671 is a deficient number, since it is larger than the sum of its proper divisors (16268031673).

1155030243671 is an equidigital number, since it uses as much as digits as its factorization.

1155030243671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268031672.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1155030243671 in words is "one trillion, one hundred fifty-five billion, thirty million, two hundred forty-three thousand, six hundred seventy-one".