1181080747078 has 16 divisors (see below), whose sum is σ = 1829820769920. Its totient is φ = 571162377600.

The previous prime is 1181080747057. The next prime is 1181080747079. The reversal of 1181080747078 is 8707470801811.

It is a super-2 number, since 2×1181080747078² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181080747079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5362963 + ... + 5578846.

It is an arithmetic number, because the mean of its divisors is an integer number (114363798120).

Almost surely, 2^{1181080747078} is an apocalyptic number.

1181080747078 is a deficient number, since it is larger than the sum of its proper divisors (648740022842).

1181080747078 is a wasteful number, since it uses less digits than its factorization.

1181080747078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943583.

The product of its (nonzero) digits is 702464, while the sum is 52.

The spelling of 1181080747078 in words is "one trillion, one hundred eighty-one billion, eighty million, seven hundred forty-seven thousand, seventy-eight".