125543214143551 has 8 divisors (see below), whose sum is σ = 131115232838880. Its totient is φ = 119980663621632.

The previous prime is 125543214143531. The next prime is 125543214143609. The reversal of 125543214143551 is 155341412345521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125543214143551 - 2¹⁷ = 125543214012479 is a prime.

It is a super-3 number, since 3×125543214143551³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125543214143531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367016246 + ... + 2367069283.

It is an arithmetic number, because the mean of its divisors is an integer number (16389404104860).

Almost surely, 2^{125543214143551} is an apocalyptic number.

125543214143551 is a deficient number, since it is larger than the sum of its proper divisors (5572018695329).

125543214143551 is a wasteful number, since it uses less digits than its factorization.

125543214143551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734086705.

The product of its digits is 1440000, while the sum is 46.

The spelling of 125543214143551 in words is "one hundred twenty-five trillion, five hundred forty-three billion, two hundred fourteen million, one hundred forty-three thousand, five hundred fifty-one".