125475750426 has 64 divisors (see below), whose sum is σ = 278508843648. Its totient is φ = 37436007168.

The previous prime is 125475750419. The next prime is 125475750469. The reversal of 125475750426 is 624057574521.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771405 + ... + 919791.

It is an arithmetic number, because the mean of its divisors is an integer number (4351700682).

Almost surely, 2^125475750426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125475750426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139254421824).

125475750426 is an abundant number, since it is smaller than the sum of its proper divisors (153033093222).

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

125475750426 is a wasteful number, since it uses less digits than its factorization.

125475750426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148735.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 125475750426 in words is "one hundred twenty-five billion, four hundred seventy-five million, seven hundred fifty thousand, four hundred twenty-six".