1162615481987 has 4 divisors (see below), whose sum is σ = 1162617650376. Its totient is φ = 1162613313600.

The previous prime is 1162615481969. The next prime is 1162615482029. The reversal of 1162615481987 is 7891845162611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1162615481987 - 2¹⁶ = 1162615416451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162615481927) 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, 371987 + ... + 1569587.

It is an arithmetic number, because the mean of its divisors is an integer number (290654412594).

Almost surely, 2^{1162615481987} is an apocalyptic number.

1162615481987 is a deficient number, since it is larger than the sum of its proper divisors (2168389).

1162615481987 is an equidigital number, since it uses as much as digits as its factorization.

1162615481987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168388.

The product of its digits is 5806080, while the sum is 59.

The spelling of 1162615481987 in words is "one trillion, one hundred sixty-two billion, six hundred fifteen million, four hundred eighty-one thousand, nine hundred eighty-seven".