125552277140 has 12 divisors (see below), whose sum is σ = 263659782036. Its totient is φ = 50220910848.

The previous prime is 125552277133. The next prime is 125552277161. The reversal of 125552277140 is 41772255521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44840603536 + 80711673604 = 211756^2 + 284098^2 .

It is a congruent number.

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, 3138806909 + ... + 3138806948.

It is an arithmetic number, because the mean of its divisors is an integer number (21971648503).

Almost surely, 2^125552277140 is an apocalyptic number.

125552277140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125552277140 is an abundant number, since it is smaller than the sum of its proper divisors (138107504896).

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

125552277140 is a wasteful number, since it uses less digits than its factorization.

125552277140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277613866 (or 6277613864 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 125552277140 in words is "one hundred twenty-five billion, five hundred fifty-two million, two hundred seventy-seven thousand, one hundred forty".