125554478706 has 64 divisors (see below), whose sum is σ = 280237708800. Its totient is φ = 41667550848.

The previous prime is 125554478677. The next prime is 125554478807. The reversal of 125554478706 is 607874455521.

It is a happy number.

125554478706 is a `hidden beast` number, since 1 + 2 + 5 + 554 + 4 + 7 + 87 + 0 + 6 = 666.

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

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, 42516126 + ... + 42519078.

It is an arithmetic number, because the mean of its divisors is an integer number (4378714200).

Almost surely, 2^125554478706 is an apocalyptic number.

125554478706 is an abundant number, since it is smaller than the sum of its proper divisors (154683230094).

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

125554478706 is a wasteful number, since it uses less digits than its factorization.

125554478706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 125554478706 in words is "one hundred twenty-five billion, five hundred fifty-four million, four hundred seventy-eight thousand, seven hundred six".