151203605640 has 128 divisors (see below), whose sum is σ = 455945760000. Its totient is φ = 40113963008.

The previous prime is 151203605627. The next prime is 151203605701. The reversal of 151203605640 is 46506302151.

151203605640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19339012 + ... + 19346828.

It is an arithmetic number, because the mean of its divisors is an integer number (3562076250).

Almost surely, 2^151203605640 is an apocalyptic number.

151203605640 is a gapful number since it is divisible by the number (10) 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 151203605640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227972880000).

151203605640 is an abundant number, since it is smaller than the sum of its proper divisors (304742154360).

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

151203605640 is a wasteful number, since it uses less digits than its factorization.

151203605640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639 (or 8635 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 151203605640 its reverse (46506302151), we get a palindrome (197709907791).

The spelling of 151203605640 in words is "one hundred fifty-one billion, two hundred three million, six hundred five thousand, six hundred forty".