125545443340 has 12 divisors (see below), whose sum is σ = 263645431056. Its totient is φ = 50218177328.

The previous prime is 125545443319. The next prime is 125545443371. The reversal of 125545443340 is 43344545521.

It is a junction number, because it is equal to n+sod(n) for n = 125545443293 and 125545443302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138636064 + ... + 3138636103.

It is an arithmetic number, because the mean of its divisors is an integer number (21970452588).

Almost surely, 2^125545443340 is an apocalyptic number.

125545443340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125545443340 is an abundant number, since it is smaller than the sum of its proper divisors (138099987716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125545443340 is a wasteful number, since it uses less digits than its factorization.

125545443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277272176 (or 6277272174 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 125545443340 its reverse (43344545521), we get a palindrome (168889988861).

The spelling of 125545443340 in words is "one hundred twenty-five billion, five hundred forty-five million, four hundred forty-three thousand, three hundred forty".