2151051335145 has 48 divisors (see below), whose sum is σ = 3746757231360. Its totient is φ = 1141615928448.

The previous prime is 2151051335141. The next prime is 2151051335149. The reversal of 2151051335145 is 5415331501512.

2151051335145 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 0 + 5 + 133 + 514 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2151051335141) and next prime (2151051335149).

It is not a de Polignac number, because 2151051335145 - 2² = 2151051335141 is a prime.

It is a super-2 number, since 2×2151051335145² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151051335141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10777479 + ... + 10975251.

It is an arithmetic number, because the mean of its divisors is an integer number (78057442320).

Almost surely, 2^{2151051335145} is an apocalyptic number.

It is an amenable number.

2151051335145 is a deficient number, since it is larger than the sum of its proper divisors (1595705896215).

2151051335145 is a wasteful number, since it uses less digits than its factorization.

2151051335145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198966 (or 198963 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 2151051335145 its reverse (5415331501512), we get a palindrome (7566382836657).

The spelling of 2151051335145 in words is "two trillion, one hundred fifty-one billion, fifty-one million, three hundred thirty-five thousand, one hundred forty-five".