125400054399 has 8 divisors (see below), whose sum is σ = 167737694592. Its totient is φ = 83331225240.

The previous prime is 125400054391. The next prime is 125400054427. The reversal of 125400054399 is 993450004521.

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

It is not a de Polignac number, because 125400054399 - 2³ = 125400054391 is a prime.

It is a super-4 number, since 4×125400054399⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125400054399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125400054391) 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, 67201669 + ... + 67203534.

It is an arithmetic number, because the mean of its divisors is an integer number (20967211824).

Almost surely, 2^125400054399 is an apocalyptic number.

125400054399 is a deficient number, since it is larger than the sum of its proper divisors (42337640193).

125400054399 is a wasteful number, since it uses less digits than its factorization.

125400054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134405517.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 125400054399 in words is "one hundred twenty-five billion, four hundred million, fifty-four thousand, three hundred ninety-nine".