11071775517 has 24 divisors (see below), whose sum is σ = 16239734112. Its totient is φ = 6704654880.

The previous prime is 11071775471. The next prime is 11071775543. The reversal of 11071775517 is 71557717011.

It is not a de Polignac number, because 11071775517 - 2¹¹ = 11071773469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071775917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453843 + ... + 477615.

It is an arithmetic number, because the mean of its divisors is an integer number (676655588).

Almost surely, 2^11071775517 is an apocalyptic number.

It is an amenable number.

11071775517 is a deficient number, since it is larger than the sum of its proper divisors (5167958595).

11071775517 is a wasteful number, since it uses less digits than its factorization.

11071775517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25081 (or 25070 counting only the distinct ones).

The product of its (nonzero) digits is 60025, while the sum is 42.

The spelling of 11071775517 in words is "eleven billion, seventy-one million, seven hundred seventy-five thousand, five hundred seventeen".