2151143326125 has 96 divisors (see below), whose sum is σ = 3945063208320. Its totient is φ = 1127389708800.

The previous prime is 2151143326109. The next prime is 2151143326127. The reversal of 2151143326125 is 5216233411512.

2151143326125 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 1 + 4 + 3 + 32 + 612 + 5 = 666.

It is not a de Polignac number, because 2151143326125 - 2⁴ = 2151143326109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151143326125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151143326127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235427557 + ... + 235436693.

It is an arithmetic number, because the mean of its divisors is an integer number (41094408420).

Almost surely, 2^{2151143326125} is an apocalyptic number.

2151143326125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151143326125 is a deficient number, since it is larger than the sum of its proper divisors (1793919882195).

2151143326125 is a wasteful number, since it uses less digits than its factorization.

2151143326125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764 (or 12751 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 2151143326125 its reverse (5216233411512), we get a palindrome (7367376737637).

The spelling of 2151143326125 in words is "two trillion, one hundred fifty-one billion, one hundred forty-three million, three hundred twenty-six thousand, one hundred twenty-five".