125651343534 has 16 divisors (see below), whose sum is σ = 266085198288. Its totient is φ = 39420029312.

The previous prime is 125651343523. The next prime is 125651343541. The reversal of 125651343534 is 435343156521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615937857 + ... + 615938060.

It is an arithmetic number, because the mean of its divisors is an integer number (16630324893).

Almost surely, 2^125651343534 is an apocalyptic number.

125651343534 is an abundant number, since it is smaller than the sum of its proper divisors (140433854754).

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

125651343534 is a wasteful number, since it uses less digits than its factorization.

125651343534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231875939.

The product of its digits is 648000, while the sum is 42.

The spelling of 125651343534 in words is "one hundred twenty-five billion, six hundred fifty-one million, three hundred forty-three thousand, five hundred thirty-four".