1087511409601 has 4 divisors (see below), whose sum is σ = 1091524367104. Its totient is φ = 1083498452100.

The previous prime is 1087511409539. The next prime is 1087511409619. The reversal of 1087511409601 is 1069041157801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1087511409601 - 2¹³ = 1087511401409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087511409661) 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 3 ways as a sum of consecutive naturals, for example, 2006478345 + ... + 2006478886.

It is an arithmetic number, because the mean of its divisors is an integer number (272881091776).

Almost surely, 2^{1087511409601} is an apocalyptic number.

It is an amenable number.

1087511409601 is a deficient number, since it is larger than the sum of its proper divisors (4012957503).

1087511409601 is an equidigital number, since it uses as much as digits as its factorization.

1087511409601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012957502.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 1087511409601 in words is "one trillion, eighty-seven billion, five hundred eleven million, four hundred nine thousand, six hundred one".