2154142130500 has 96 divisors (see below), whose sum is σ = 4910311381248. Its totient is φ = 824006304000.

The previous prime is 2154142130479. The next prime is 2154142130597. The reversal of 2154142130500 is 50312414512.

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, 57331720 + ... + 57369280.

It is an arithmetic number, because the mean of its divisors is an integer number (51149076888).

Almost surely, 2^{2154142130500} is an apocalyptic number.

2154142130500 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 2154142130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455155690624).

2154142130500 is an abundant number, since it is smaller than the sum of its proper divisors (2756169250748).

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

2154142130500 is a wasteful number, since it uses less digits than its factorization.

2154142130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42590 (or 42578 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 2154142130500 in words is "two trillion, one hundred fifty-four billion, one hundred forty-two million, one hundred thirty thousand, five hundred".