126695891528 has 16 divisors (see below), whose sum is σ = 241581150000. Its totient is φ = 62274251536.

The previous prime is 126695891519. The next prime is 126695891627. The reversal of 126695891528 is 825198596621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134211278 + ... + 134212221.

It is an arithmetic number, because the mean of its divisors is an integer number (15098821875).

Almost surely, 2^126695891528 is an apocalyptic number.

It is an amenable number.

126695891528 is a deficient number, since it is larger than the sum of its proper divisors (114885258472).

126695891528 is a wasteful number, since it uses less digits than its factorization.

126695891528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268423564 (or 268423560 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 62.

The spelling of 126695891528 in words is "one hundred twenty-six billion, six hundred ninety-five million, eight hundred ninety-one thousand, five hundred twenty-eight".