1513187160987 has 4 divisors (see below), whose sum is σ = 2017582881320. Its totient is φ = 1008791440656.

The previous prime is 1513187160971. The next prime is 1513187161001. The reversal of 1513187160987 is 7890617813151.

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

It is not a de Polignac number, because 1513187160987 - 2⁴ = 1513187160971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513187160907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252197860162 + ... + 252197860167.

It is an arithmetic number, because the mean of its divisors is an integer number (504395720330).

Almost surely, 2^{1513187160987} is an apocalyptic number.

1513187160987 is a deficient number, since it is larger than the sum of its proper divisors (504395720333).

1513187160987 is an equidigital number, since it uses as much as digits as its factorization.

1513187160987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504395720332.

The product of its (nonzero) digits is 2540160, while the sum is 57.

The spelling of 1513187160987 in words is "one trillion, five hundred thirteen billion, one hundred eighty-seven million, one hundred sixty thousand, nine hundred eighty-seven".