1172554940018 has 64 divisors (see below), whose sum is σ = 2291271874560. Its totient is φ = 436384713600.

The previous prime is 1172554939943. The next prime is 1172554940027. The reversal of 1172554940018 is 8100494552711.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2393558 + ... + 2841518.

It is an arithmetic number, because the mean of its divisors is an integer number (35801123040).

Almost surely, 2^{1172554940018} is an apocalyptic number.

1172554940018 is a deficient number, since it is larger than the sum of its proper divisors (1118716934542).

1172554940018 is a wasteful number, since it uses less digits than its factorization.

1172554940018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448743.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 1172554940018 in words is "one trillion, one hundred seventy-two billion, five hundred fifty-four million, nine hundred forty thousand, eighteen".