158034531887 has 4 divisors (see below), whose sum is σ = 158035637280. Its totient is φ = 158033426496.

The previous prime is 158034531859. The next prime is 158034531901. The reversal of 158034531887 is 788135430851.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158034531887 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 (158034531847) 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, 299618 + ... + 637055.

It is an arithmetic number, because the mean of its divisors is an integer number (39508909320).

Almost surely, 2^158034531887 is an apocalyptic number.

158034531887 is a deficient number, since it is larger than the sum of its proper divisors (1105393).

158034531887 is an equidigital number, since it uses as much as digits as its factorization.

158034531887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105392.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 158034531887 in words is "one hundred fifty-eight billion, thirty-four million, five hundred thirty-one thousand, eight hundred eighty-seven".