1087767381121 has 2 divisors, whose sum is σ = 1087767381122. Its totient is φ = 1087767381120.

The previous prime is 1087767381049. The next prime is 1087767381179. The reversal of 1087767381121 is 1211837677801.

1087767381121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1039054035600 + 48713345521 = 1019340^2 + 220711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087767381121 - 2²⁵ = 1087733826689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087767381521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543883690560 + 543883690561.

It is an arithmetic number, because the mean of its divisors is an integer number (543883690561).

Almost surely, 2^{1087767381121} is an apocalyptic number.

It is an amenable number.

1087767381121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087767381121 is an equidigital number, since it uses as much as digits as its factorization.

1087767381121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 52.

The spelling of 1087767381121 in words is "one trillion, eighty-seven billion, seven hundred sixty-seven million, three hundred eighty-one thousand, one hundred twenty-one".