2145011130054 has 96 divisors (see below), whose sum is σ = 5113534817664. Its totient is φ = 645705665280.

The previous prime is 2145011130011. The next prime is 2145011130071. The reversal of 2145011130054 is 4500311105412.

2145011130054 is a `hidden beast` number, since 21 + 4 + 501 + 1 + 130 + 0 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28788552 + ... + 28862964.

It is an arithmetic number, because the mean of its divisors is an integer number (53265987684).

Almost surely, 2^{2145011130054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145011130054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556767408832).

2145011130054 is an abundant number, since it is smaller than the sum of its proper divisors (2968523687610).

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

2145011130054 is a wasteful number, since it uses less digits than its factorization.

2145011130054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77102 (or 77099 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 2145011130054 its reverse (4500311105412), we get a palindrome (6645322235466).

The spelling of 2145011130054 in words is "two trillion, one hundred forty-five billion, eleven million, one hundred thirty thousand, fifty-four".