2151047346720 has 192 divisors, whose sum is σ = 6813765391104. Its totient is φ = 570401095680.

The previous prime is 2151047346683. The next prime is 2151047346737. The reversal of 2151047346720 is 276437401512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384731125 + ... + 384736715.

It is an arithmetic number, because the mean of its divisors is an integer number (35488361412).

Almost surely, 2^{2151047346720} is an apocalyptic number.

2151047346720 is a gapful number since it is divisible by the number (20) 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 2151047346720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406882695552).

2151047346720 is an abundant number, since it is smaller than the sum of its proper divisors (4662718044384).

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

2151047346720 is a wasteful number, since it uses less digits than its factorization.

2151047346720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 2151047346720 in words is "two trillion, one hundred fifty-one billion, forty-seven million, three hundred forty-six thousand, seven hundred twenty".