1158275662987 has 16 divisors (see below), whose sum is σ = 1218825216000. Its totient is φ = 1099227021984.

The previous prime is 1158275662969. The next prime is 1158275663033. The reversal of 1158275662987 is 7892665728511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158275662987 is a prime.

It is a super-2 number, since 2×1158275662987² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158275662387) 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, 622687 + ... + 1644472.

It is an arithmetic number, because the mean of its divisors is an integer number (76176576000).

Almost surely, 2^{1158275662987} is an apocalyptic number.

1158275662987 is a deficient number, since it is larger than the sum of its proper divisors (60549553013).

1158275662987 is a wasteful number, since it uses less digits than its factorization.

1158275662987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267490.

The product of its digits is 101606400, while the sum is 67.

The spelling of 1158275662987 in words is "one trillion, one hundred fifty-eight billion, two hundred seventy-five million, six hundred sixty-two thousand, nine hundred eighty-seven".