1087276400641 has 4 divisors (see below), whose sum is σ = 1113795337284. Its totient is φ = 1060757464000.

The previous prime is 1087276400621. The next prime is 1087276400653. The reversal of 1087276400641 is 1460046727801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90881146225 + 996395254416 = 301465^2 + 998196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087276400641 - 2⁷ = 1087276400513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1087276400591 and 1087276400600.

It is not an unprimeable number, because it can be changed into a prime (1087276400621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13259468260 + ... + 13259468341.

It is an arithmetic number, because the mean of its divisors is an integer number (278448834321).

Almost surely, 2^{1087276400641} is an apocalyptic number.

It is an amenable number.

1087276400641 is a deficient number, since it is larger than the sum of its proper divisors (26518936643).

1087276400641 is an equidigital number, since it uses as much as digits as its factorization.

1087276400641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26518936642.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 1087276400641 in words is "one trillion, eighty-seven billion, two hundred seventy-six million, four hundred thousand, six hundred forty-one".