1135670521871 has 8 divisors (see below), whose sum is σ = 1167221208000. Its totient is φ = 1104427647648.

The previous prime is 1135670521859. The next prime is 1135670521903. The reversal of 1135670521871 is 1781250765311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135670521871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135670520871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76945496 + ... + 76960253.

It is an arithmetic number, because the mean of its divisors is an integer number (145902651000).

Almost surely, 2^{1135670521871} is an apocalyptic number.

1135670521871 is a deficient number, since it is larger than the sum of its proper divisors (31550686129).

1135670521871 is a wasteful number, since it uses less digits than its factorization.

1135670521871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153905953.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 1135670521871 in words is "one trillion, one hundred thirty-five billion, six hundred seventy million, five hundred twenty-one thousand, eight hundred seventy-one".