151578502878 has 96 divisors (see below), whose sum is σ = 340916325120. Its totient is φ = 44557424640.

The previous prime is 151578502849. The next prime is 151578502919. The reversal of 151578502878 is 878205875151.

151578502878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 32434750 + ... + 32439422.

It is an arithmetic number, because the mean of its divisors is an integer number (3551211720).

Almost surely, 2^151578502878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151578502878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170458162560).

151578502878 is an abundant number, since it is smaller than the sum of its proper divisors (189337822242).

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

151578502878 is a wasteful number, since it uses less digits than its factorization.

151578502878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 57.

It can be divided in two parts, 151578 and 502878, that added together give a palindrome (654456).

The spelling of 151578502878 in words is "one hundred fifty-one billion, five hundred seventy-eight million, five hundred two thousand, eight hundred seventy-eight".