2151142552230 has 128 divisors (see below), whose sum is σ = 6257893137408. Its totient is φ = 461985964032.

The previous prime is 2151142552199. The next prime is 2151142552259. The reversal of 2151142552230 is 322552411512.

It is a junction number, because it is equal to n+sod(n) for n = 2151142552191 and 2151142552200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1608949 + ... + 2625071.

It is an arithmetic number, because the mean of its divisors is an integer number (48889790136).

Almost surely, 2^{2151142552230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151142552230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128946568704).

2151142552230 is an abundant number, since it is smaller than the sum of its proper divisors (4106750585178).

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

2151142552230 is a wasteful number, since it uses less digits than its factorization.

2151142552230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016750.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 2151142552230 its reverse (322552411512), we get a palindrome (2473694963742).

The spelling of 2151142552230 in words is "two trillion, one hundred fifty-one billion, one hundred forty-two million, five hundred fifty-two thousand, two hundred thirty".