125583645087 has 6 divisors (see below), whose sum is σ = 181398598472. Its totient is φ = 83722430052.

The previous prime is 125583645067. The next prime is 125583645091. The reversal of 125583645087 is 780546385521.

125583645087 is a `hidden beast` number, since 1 + 2 + 5 + 583 + 6 + 4 + 50 + 8 + 7 = 666.

It is not a de Polignac number, because 125583645087 - 2⁶ = 125583645023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125583645037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6976869163 + ... + 6976869180.

Almost surely, 2^125583645087 is an apocalyptic number.

125583645087 is a deficient number, since it is larger than the sum of its proper divisors (55814953385).

125583645087 is a wasteful number, since it uses less digits than its factorization.

125583645087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953738349 (or 13953738346 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 125583645087 in words is "one hundred twenty-five billion, five hundred eighty-three million, six hundred forty-five thousand, eighty-seven".