1087556136111 has 16 divisors (see below), whose sum is σ = 1611248101120. Its totient is φ = 725013202680.

The previous prime is 1087556136101. The next prime is 1087556136119. The reversal of 1087556136111 is 1116316557801.

1087556136111 is a `hidden beast` number, since 1 + 0 + 8 + 75 + 561 + 3 + 6 + 1 + 11 = 666.

It is not a de Polignac number, because 1087556136111 - 2³¹ = 1085408652463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087556136119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169536 + ... + 1484538.

It is an arithmetic number, because the mean of its divisors is an integer number (100703006320).

Almost surely, 2^{1087556136111} is an apocalyptic number.

1087556136111 is a deficient number, since it is larger than the sum of its proper divisors (523691965009).

1087556136111 is a wasteful number, since it uses less digits than its factorization.

1087556136111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345643 (or 1345637 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 1087556136111 in words is "one trillion, eighty-seven billion, five hundred fifty-six million, one hundred thirty-six thousand, one hundred eleven".