151005423531643 has 4 divisors (see below), whose sum is σ = 151022122138888. Its totient is φ = 150988724924400.

The previous prime is 151005423531631. The next prime is 151005423531797. The reversal of 151005423531643 is 346135324500151.

151005423531643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151005423531643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151005423531643.

It is not an unprimeable number, because it can be changed into a prime (151005423531343) 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, 8349290058 + ... + 8349308143.

It is an arithmetic number, because the mean of its divisors is an integer number (37755530534722).

Almost surely, 2^{151005423531643} is an apocalyptic number.

151005423531643 is a deficient number, since it is larger than the sum of its proper divisors (16698607245).

151005423531643 is an equidigital number, since it uses as much as digits as its factorization.

151005423531643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16698607244.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 151005423531643 in words is "one hundred fifty-one trillion, five billion, four hundred twenty-three million, five hundred thirty-one thousand, six hundred forty-three".