1178955561234 has 16 divisors (see below), whose sum is σ = 2572266679200. Its totient is φ = 357259260960.

The previous prime is 1178955561209. The next prime is 1178955561253. The reversal of 1178955561234 is 4321655598711.

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, 8931481459 + ... + 8931481590.

It is an arithmetic number, because the mean of its divisors is an integer number (160766667450).

Almost surely, 2^{1178955561234} is an apocalyptic number.

1178955561234 is an abundant number, since it is smaller than the sum of its proper divisors (1393311117966).

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

1178955561234 is a wasteful number, since it uses less digits than its factorization.

1178955561234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862963065.

The product of its digits is 9072000, while the sum is 57.

The spelling of 1178955561234 in words is "one trillion, one hundred seventy-eight billion, nine hundred fifty-five million, five hundred sixty-one thousand, two hundred thirty-four".