125213773860 has 432 divisors, whose sum is σ = 474015447360. Its totient is φ = 27631860480.

The previous prime is 125213773849. The next prime is 125213773879. The reversal of 125213773860 is 68377312521.

125213773860 is a `hidden beast` number, since 1 + 2 + 521 + 37 + 7 + 38 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6896995 + ... + 6915125.

It is an arithmetic number, because the mean of its divisors is an integer number (1097257980).

Almost surely, 2^125213773860 is an apocalyptic number.

125213773860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125213773860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237007723680).

125213773860 is an abundant number, since it is smaller than the sum of its proper divisors (348801673500).

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

125213773860 is a wasteful number, since it uses less digits than its factorization.

125213773860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198 (or 18177 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 125213773860 in words is "one hundred twenty-five billion, two hundred thirteen million, seven hundred seventy-three thousand, eight hundred sixty".