1087556133787 has 2 divisors, whose sum is σ = 1087556133788. Its totient is φ = 1087556133786.

The previous prime is 1087556133751. The next prime is 1087556133841. The reversal of 1087556133787 is 7873316557801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1087556133787 - 2¹⁵ = 1087556101019 is a prime.

It is a super-2 number, since 2×1087556133787² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1087556133707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543778066893 + 543778066894.

It is an arithmetic number, because the mean of its divisors is an integer number (543778066894).

Almost surely, 2^{1087556133787} is an apocalyptic number.

1087556133787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087556133787 is an equidigital number, since it uses as much as digits as its factorization.

1087556133787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 1087556133787 in words is "one trillion, eighty-seven billion, five hundred fifty-six million, one hundred thirty-three thousand, seven hundred eighty-seven".