151256776640 has 56 divisors (see below), whose sum is σ = 361615372272. Its totient is φ = 60261632000.

The previous prime is 151256776609. The next prime is 151256776663. The reversal of 151256776640 is 46677652151.

It is a super-2 number, since 2×151256776640² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861269 + ... + 1021908.

It is an arithmetic number, because the mean of its divisors is an integer number (6457417362).

Almost surely, 2^151256776640 is an apocalyptic number.

151256776640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151256776640 is an abundant number, since it is smaller than the sum of its proper divisors (210358595632).

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

151256776640 is a wasteful number, since it uses less digits than its factorization.

151256776640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883445 (or 1883435 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 151256776640 in words is "one hundred fifty-one billion, two hundred fifty-six million, seven hundred seventy-six thousand, six hundred forty".