151033991472 has 320 divisors, whose sum is σ = 534309135360. Its totient is φ = 39777785856.

The previous prime is 151033991467. The next prime is 151033991477. The reversal of 151033991472 is 274199330151.

151033991472 is a `hidden beast` number, since 1 + 510 + 3 + 3 + 9 + 91 + 47 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (151033991467) and next prime (151033991477).

It is a super-2 number, since 2×151033991472² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151033991477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33688143 + ... + 33692625.

It is an arithmetic number, because the mean of its divisors is an integer number (1669716048).

Almost surely, 2^151033991472 is an apocalyptic number.

151033991472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151033991472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267154567680).

151033991472 is an abundant number, since it is smaller than the sum of its proper divisors (383275143888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151033991472 is a wasteful number, since it uses less digits than its factorization.

151033991472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 151033991472 in words is "one hundred fifty-one billion, thirty-three million, nine hundred ninety-one thousand, four hundred seventy-two".