151720305200 has 90 divisors (see below), whose sum is σ = 372430702716. Its totient is φ = 59396539520.

The previous prime is 151720305179. The next prime is 151720305221. The reversal of 151720305200 is 2503027151.

It is an interprime number because it is at equal distance from previous prime (151720305179) and next prime (151720305221).

It is a super-3 number, since 3×151720305200³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 151720305200.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 797747 + ... + 969453.

Almost surely, 2^151720305200 is an apocalyptic number.

151720305200 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 151720305200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186215351358).

151720305200 is an abundant number, since it is smaller than the sum of its proper divisors (220710397516).

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

151720305200 is a wasteful number, since it uses less digits than its factorization.

151720305200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171819 (or 171761 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 151720305200 in words is "one hundred fifty-one billion, seven hundred twenty million, three hundred five thousand, two hundred".