2154152958720 has 864 divisors, whose sum is σ = 8376049059840. Its totient is φ = 469874442240.

The previous prime is 2154152958677. The next prime is 2154152958757. The reversal of 2154152958720 is 278592514512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 425803551 + ... + 425808609.

Almost surely, 2^{2154152958720} is an apocalyptic number.

2154152958720 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 2154152958720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4188024529920).

2154152958720 is an abundant number, since it is smaller than the sum of its proper divisors (6221896101120).

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

2154152958720 is a wasteful number, since it uses less digits than its factorization.

2154152958720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201 (or 5180 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 2154152958720 in words is "two trillion, one hundred fifty-four billion, one hundred fifty-two million, nine hundred fifty-eight thousand, seven hundred twenty".