11605257042 has 32 divisors (see below), whose sum is σ = 23933423808. Its totient is φ = 3749693376.

The previous prime is 11605257011. The next prime is 11605257071. The reversal of 11605257042 is 24075250611.

It is a junction number, because it is equal to n+sod(n) for n = 11605256994 and 11605257012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193453 + ... + 246240.

It is an arithmetic number, because the mean of its divisors is an integer number (747919494).

Almost surely, 2^11605257042 is an apocalyptic number.

11605257042 is an abundant number, since it is smaller than the sum of its proper divisors (12328166766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11605257042 is a wasteful number, since it uses less digits than its factorization.

11605257042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439834.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 11605257042 in words is "eleven billion, six hundred five million, two hundred fifty-seven thousand, forty-two".