1101111156146 has 8 divisors (see below), whose sum is σ = 1651809782700. Its totient is φ = 550507895248.

The previous prime is 1101111156083. The next prime is 1101111156161. The reversal of 1101111156146 is 6416511111011.

It can be written as a sum of positive squares in 2 ways, for example, as 695157405121 + 405953751025 = 833761^2 + 637145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23812541 + ... + 23858736.

Almost surely, 2^{1101111156146} is an apocalyptic number.

1101111156146 is a deficient number, since it is larger than the sum of its proper divisors (550698626554).

1101111156146 is a wasteful number, since it uses less digits than its factorization.

1101111156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47682828.

The product of its (nonzero) digits is 720, while the sum is 29.

Adding to 1101111156146 its reverse (6416511111011), we get a palindrome (7517622267157).

The spelling of 1101111156146 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred fifty-six thousand, one hundred forty-six".