1087572173527 has 16 divisors (see below), whose sum is σ = 1260916457472. Its totient is φ = 918731903040.

The previous prime is 1087572173521. The next prime is 1087572173537. The reversal of 1087572173527 is 7253712757801.

It is a happy number.

It is not a de Polignac number, because 1087572173527 - 2¹¹ = 1087572171479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087572173521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928243 + ... + 1742635.

It is an arithmetic number, because the mean of its divisors is an integer number (78807278592).

Almost surely, 2^{1087572173527} is an apocalyptic number.

1087572173527 is a deficient number, since it is larger than the sum of its proper divisors (173344283945).

1087572173527 is an equidigital number, since it uses as much as digits as its factorization.

1087572173527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817158.

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 1087572173527 in words is "one trillion, eighty-seven billion, five hundred seventy-two million, one hundred seventy-three thousand, five hundred twenty-seven".