11603545442 has 16 divisors (see below), whose sum is σ = 18747468960. Its totient is φ = 5368591872.

The previous prime is 11603545433. The next prime is 11603545487. The reversal of 11603545442 is 24454530611.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549023 + ... + 3552290.

It is an arithmetic number, because the mean of its divisors is an integer number (1171716810).

Almost surely, 2^11603545442 is an apocalyptic number.

11603545442 is a deficient number, since it is larger than the sum of its proper divisors (7143923518).

11603545442 is a wasteful number, since it uses less digits than its factorization.

11603545442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101377.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 11603545442 in words is "eleven billion, six hundred three million, five hundred forty-five thousand, four hundred forty-two".