11115730078 has 16 divisors (see below), whose sum is σ = 17244412416. Its totient is φ = 5368279320.

The previous prime is 11115730057. The next prime is 11115730081. The reversal of 11115730078 is 87003751111.

It is a congruent 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, 138976 + ... + 203827.

It is an arithmetic number, because the mean of its divisors is an integer number (1077775776).

Almost surely, 2^11115730078 is an apocalyptic number.

11115730078 is a deficient number, since it is larger than the sum of its proper divisors (6128682338).

11115730078 is a wasteful number, since it uses less digits than its factorization.

11115730078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343359.

The product of its (nonzero) digits is 5880, while the sum is 34.

The spelling of 11115730078 in words is "eleven billion, one hundred fifteen million, seven hundred thirty thousand, seventy-eight".