1105551156516 has 72 divisors (see below), whose sum is σ = 2671804803360. Its totient is φ = 355609035264.

The previous prime is 1105551156481. The next prime is 1105551156529. The reversal of 1105551156516 is 6156511555011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3399220 + ... + 3710228.

Almost surely, 2^{1105551156516} is an apocalyptic number.

It is an amenable number.

1105551156516 is an abundant number, since it is smaller than the sum of its proper divisors (1566253646844).

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

1105551156516 is a wasteful number, since it uses less digits than its factorization.

1105551156516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311225 (or 311140 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 1105551156516 in words is "one trillion, one hundred five billion, five hundred fifty-one million, one hundred fifty-six thousand, five hundred sixteen".