151391437047 has 24 divisors (see below), whose sum is σ = 226804053840. Its totient is φ = 100914984000.

The previous prime is 151391437013. The next prime is 151391437061. The reversal of 151391437047 is 740734193151.

151391437047 is a `hidden beast` number, since 1 + 513 + 91 + 4 + 3 + 7 + 0 + 47 = 666.

151391437047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151391437047 - 2³¹ = 149243953399 is a prime.

It is a super-2 number, since 2×151391437047² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151391436993 and 151391437011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151391437007) 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 23 ways as a sum of consecutive naturals, for example, 2159547 + ... + 2228547.

It is an arithmetic number, because the mean of its divisors is an integer number (9450168910).

Almost surely, 2^151391437047 is an apocalyptic number.

151391437047 is a deficient number, since it is larger than the sum of its proper divisors (75412616793).

151391437047 is an frugal number, since it uses more digits than its factorization.

151391437047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78045 (or 78033 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 151391437047 in words is "one hundred fifty-one billion, three hundred ninety-one million, four hundred thirty-seven thousand, forty-seven".