1087858042506 has 24 divisors (see below), whose sum is σ = 2407175244864. Its totient is φ = 354904041960.

The previous prime is 1087858042501. The next prime is 1087858042507. The reversal of 1087858042506 is 6052408587801.

1087858042506 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 8 + 580 + 4 + 2 + 50 + 6 = 666.

1087858042506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1087858042506³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1087858042501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642941260 + ... + 642942951.

It is an arithmetic number, because the mean of its divisors is an integer number (100298968536).

Almost surely, 2^{1087858042506} is an apocalyptic number.

1087858042506 is an abundant number, since it is smaller than the sum of its proper divisors (1319317202358).

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

1087858042506 is a wasteful number, since it uses less digits than its factorization.

1087858042506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285884266 (or 1285884263 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 1087858042506 in words is "one trillion, eighty-seven billion, eight hundred fifty-eight million, forty-two thousand, five hundred six".