151345615278 has 128 divisors (see below), whose sum is σ = 367780331520. Its totient is φ = 40908366720.

The previous prime is 151345615273. The next prime is 151345615279. The reversal of 151345615278 is 872516543151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151345615273) 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, 3162001 + ... + 3209507.

It is an arithmetic number, because the mean of its divisors is an integer number (2873283840).

Almost surely, 2^151345615278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151345615278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183890165760).

151345615278 is an abundant number, since it is smaller than the sum of its proper divisors (216434716242).

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

151345615278 is a wasteful number, since it uses less digits than its factorization.

151345615278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47662.

The product of its digits is 1008000, while the sum is 48.

The spelling of 151345615278 in words is "one hundred fifty-one billion, three hundred forty-five million, six hundred fifteen thousand, two hundred seventy-eight".