2125154353320 has 96 divisors (see below), whose sum is σ = 6906997773000. Its totient is φ = 566687632896.

The previous prime is 2125154353307. The next prime is 2125154353363. The reversal of 2125154353320 is 233534515212.

2125154353320 is a `hidden beast` number, since 2 + 1 + 2 + 51 + 54 + 3 + 533 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1555512828804 + 569641524516 = 1247202^2 + 754746^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11917134 + ... + 12094146.

Almost surely, 2^{2125154353320} is an apocalyptic number.

2125154353320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125154353320 is an abundant number, since it is smaller than the sum of its proper divisors (4781843419680).

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

2125154353320 is a wasteful number, since it uses less digits than its factorization.

2125154353320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210379 (or 210372 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2125154353320 its reverse (233534515212), we get a palindrome (2358688868532).

The spelling of 2125154353320 in words is "two trillion, one hundred twenty-five billion, one hundred fifty-four million, three hundred fifty-three thousand, three hundred twenty".