1187507513087 has 8 divisors (see below), whose sum is σ = 1393831212576. Its totient is φ = 990353755872.

The previous prime is 1187507513033. The next prime is 1187507513107. The reversal of 1187507513087 is 7803157057811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1187507513087 - 2⁸ = 1187507512831 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 (1187507593087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292485288 + ... + 2292485805.

It is an arithmetic number, because the mean of its divisors is an integer number (174228901572).

Almost surely, 2^{1187507513087} is an apocalyptic number.

1187507513087 is a deficient number, since it is larger than the sum of its proper divisors (206323699489).

1187507513087 is an equidigital number, since it uses as much as digits as its factorization.

1187507513087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584971137.

The product of its (nonzero) digits is 1646400, while the sum is 53.

The spelling of 1187507513087 in words is "one trillion, one hundred eighty-seven billion, five hundred seven million, five hundred thirteen thousand, eighty-seven".