1135262487887 has 16 divisors (see below), whose sum is σ = 1282103092224. Its totient is φ = 995886264000.

The previous prime is 1135262487859. The next prime is 1135262487913. The reversal of 1135262487887 is 7887842625311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1135262487887 - 2³² = 1130967520591 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 (1135262481887) 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, 4678814 + ... + 4915467.

It is an arithmetic number, because the mean of its divisors is an integer number (80131443264).

Almost surely, 2^{1135262487887} is an apocalyptic number.

1135262487887 is a deficient number, since it is larger than the sum of its proper divisors (146840604337).

1135262487887 is a wasteful number, since it uses less digits than its factorization.

1135262487887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594670.

The product of its digits is 36126720, while the sum is 62.

The spelling of 1135262487887 in words is "one trillion, one hundred thirty-five billion, two hundred sixty-two million, four hundred eighty-seven thousand, eight hundred eighty-seven".