151508012191 has 4 divisors (see below), whose sum is σ = 152136676384. Its totient is φ = 150879348000.

The previous prime is 151508012189. The next prime is 151508012209. The reversal of 151508012191 is 191210805151.

151508012191 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 not a de Polignac number, because 151508012191 - 2¹ = 151508012189 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 (151508012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314331735 + ... + 314332216.

It is an arithmetic number, because the mean of its divisors is an integer number (38034169096).

Almost surely, 2^151508012191 is an apocalyptic number.

151508012191 is a deficient number, since it is larger than the sum of its proper divisors (628664193).

151508012191 is an equidigital number, since it uses as much as digits as its factorization.

151508012191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628664192.

The product of its (nonzero) digits is 3600, while the sum is 34.

The spelling of 151508012191 in words is "one hundred fifty-one billion, five hundred eight million, twelve thousand, one hundred ninety-one".