11405491075 has 24 divisors (see below), whose sum is σ = 15433387200. Its totient is φ = 8292285600.

The previous prime is 11405491067. The next prime is 11405491121. The reversal of 11405491075 is 57019450411.

It is not a de Polignac number, because 11405491075 - 2³ = 11405491067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1477576 + ... + 1485274.

It is an arithmetic number, because the mean of its divisors is an integer number (643057800).

Almost surely, 2^11405491075 is an apocalyptic number.

11405491075 is a deficient number, since it is larger than the sum of its proper divisors (4027896125).

11405491075 is a wasteful number, since it uses less digits than its factorization.

11405491075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107 (or 13102 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 11405491075 in words is "eleven billion, four hundred five million, four hundred ninety-one thousand, seventy-five".