125743655055 has 16 divisors (see below), whose sum is σ = 203143150080. Its totient is φ = 66412182048.

The previous prime is 125743655027. The next prime is 125743655087. The reversal of 125743655055 is 550556347521.

It is not a de Polignac number, because 125743655055 - 2⁶ = 125743654991 is a prime.

It is a super-2 number, since 2×125743655055² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125743654995 and 125743655013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40692195 + ... + 40695284.

It is an arithmetic number, because the mean of its divisors is an integer number (12696446880).

Almost surely, 2^125743655055 is an apocalyptic number.

125743655055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125743655055 is a deficient number, since it is larger than the sum of its proper divisors (77399495025).

125743655055 is a wasteful number, since it uses less digits than its factorization.

125743655055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81387590.

The product of its (nonzero) digits is 3150000, while the sum is 48.

The spelling of 125743655055 in words is "one hundred twenty-five billion, seven hundred forty-three million, six hundred fifty-five thousand, fifty-five".