2145351011124 has 12 divisors (see below), whose sum is σ = 5005819025984. Its totient is φ = 715117003704.

The previous prime is 2145351011029. The next prime is 2145351011129. The reversal of 2145351011124 is 4211101535412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2145351011124³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145351011091 and 2145351011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145351011129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 89389625452 + ... + 89389625475.

Almost surely, 2^{2145351011124} is an apocalyptic number.

It is an amenable number.

2145351011124 is an abundant number, since it is smaller than the sum of its proper divisors (2860468014860).

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

2145351011124 is a wasteful number, since it uses less digits than its factorization.

2145351011124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178779250934 (or 178779250932 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2145351011124 its reverse (4211101535412), we get a palindrome (6356452546536).

The spelling of 2145351011124 in words is "two trillion, one hundred forty-five billion, three hundred fifty-one million, eleven thousand, one hundred twenty-four".