125683505587 has 8 divisors (see below), whose sum is σ = 126812340000. Its totient is φ = 124557735744.

The previous prime is 125683505567. The next prime is 125683505599. The reversal of 125683505587 is 785505386521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125683505587 - 2¹⁵ = 125683472819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125683505567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683712 + ... + 847837.

It is an arithmetic number, because the mean of its divisors is an integer number (15851542500).

Almost surely, 2^125683505587 is an apocalyptic number.

125683505587 is a deficient number, since it is larger than the sum of its proper divisors (1128834413).

125683505587 is a wasteful number, since it uses less digits than its factorization.

125683505587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532285.

The product of its (nonzero) digits is 10080000, while the sum is 55.

The spelling of 125683505587 in words is "one hundred twenty-five billion, six hundred eighty-three million, five hundred five thousand, five hundred eighty-seven".