125554707223399 has 16 divisors (see below), whose sum is σ = 126824622013440. Its totient is φ = 124285781157120.

The previous prime is 125554707223391. The next prime is 125554707223487. The reversal of 125554707223399 is 993322707455521.

It is a cyclic number.

It is not a de Polignac number, because 125554707223399 - 2³ = 125554707223391 is a prime.

It is a super-2 number, since 2×125554707223399² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125554707223399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125554707223391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4196191959 + ... + 4196221879.

It is an arithmetic number, because the mean of its divisors is an integer number (7926538875840).

Almost surely, 2^{125554707223399} is an apocalyptic number.

125554707223399 is a deficient number, since it is larger than the sum of its proper divisors (1269914790041).

125554707223399 is a wasteful number, since it uses less digits than its factorization.

125554707223399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45030.

The product of its (nonzero) digits is 142884000, while the sum is 64.

The spelling of 125554707223399 in words is "one hundred twenty-five trillion, five hundred fifty-four billion, seven hundred seven million, two hundred twenty-three thousand, three hundred ninety-nine".