125886793545 has 40 divisors (see below), whose sum is σ = 227015135424. Its totient is φ = 66737553696.

The previous prime is 125886793531. The next prime is 125886793561. The reversal of 125886793545 is 545397688521.

125886793545 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 86 + 7 + 9 + 3 + 545 = 666.

It is not a de Polignac number, because 125886793545 - 2¹¹ = 125886791497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 862999 + ... + 998268.

Almost surely, 2^125886793545 is an apocalyptic number.

125886793545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125886793545 is a deficient number, since it is larger than the sum of its proper divisors (101128341879).

125886793545 is a wasteful number, since it uses less digits than its factorization.

125886793545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861451 (or 1861442 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 125886793545 in words is "one hundred twenty-five billion, eight hundred eighty-six million, seven hundred ninety-three thousand, five hundred forty-five".