1156216030278 has 64 divisors (see below), whose sum is σ = 2418231117312. Its totient is φ = 367845969920.

The previous prime is 1156216030267. The next prime is 1156216030349. The reversal of 1156216030278 is 8720306126511.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197877625 + ... + 197883467.

It is an arithmetic number, because the mean of its divisors is an integer number (37784861208).

Almost surely, 2^{1156216030278} is an apocalyptic number.

1156216030278 is an abundant number, since it is smaller than the sum of its proper divisors (1262015087034).

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

1156216030278 is a wasteful number, since it uses less digits than its factorization.

1156216030278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1156216030278 in words is "one trillion, one hundred fifty-six billion, two hundred sixteen million, thirty thousand, two hundred seventy-eight".