151155631872 has 720 divisors, whose sum is σ = 538671672000. Its totient is φ = 41246392320.

The previous prime is 151155631829. The next prime is 151155631877. The reversal of 151155631872 is 278136551151.

151155631872 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 5 + 5 + 631 + 8 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151155631877) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 627201672 + ... + 627201912.

It is an arithmetic number, because the mean of its divisors is an integer number (748155100).

Almost surely, 2^151155631872 is an apocalyptic number.

151155631872 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 151155631872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269335836000).

151155631872 is an abundant number, since it is smaller than the sum of its proper divisors (387516040128).

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

151155631872 is a wasteful number, since it uses less digits than its factorization.

151155631872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 431 counting only the distinct ones).

The product of its digits is 252000, while the sum is 45.

The spelling of 151155631872 in words is "one hundred fifty-one billion, one hundred fifty-five million, six hundred thirty-one thousand, eight hundred seventy-two".