125035388478 has 384 divisors, whose sum is σ = 383006292480. Its totient is φ = 29967537600.

The previous prime is 125035388447. The next prime is 125035388521. The reversal of 125035388478 is 874883530521.

125035388478 is a `hidden beast` number, since 1 + 2 + 503 + 53 + 8 + 84 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 45782373 + ... + 45785103.

It is an arithmetic number, because the mean of its divisors is an integer number (997412220).

Almost surely, 2^125035388478 is an apocalyptic number.

125035388478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125035388478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191503146240).

125035388478 is an abundant number, since it is smaller than the sum of its proper divisors (257970904002).

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

125035388478 is a wasteful number, since it uses less digits than its factorization.

125035388478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 125035388478 in words is "one hundred twenty-five billion, thirty-five million, three hundred eighty-eight thousand, four hundred seventy-eight".