1181967949516 has 12 divisors (see below), whose sum is σ = 2068540309080. Its totient is φ = 590956432640.

The previous prime is 1181967949507. The next prime is 1181967949517. The reversal of 1181967949516 is 6159497691811.

It is not an unprimeable number, because it can be changed into a prime (1181967949517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6788821 + ... + 6960748.

It is an arithmetic number, because the mean of its divisors is an integer number (172378359090).

Almost surely, 2^{1181967949516} is an apocalyptic number.

It is an amenable number.

1181967949516 is a deficient number, since it is larger than the sum of its proper divisors (886572359564).

1181967949516 is a wasteful number, since it uses less digits than its factorization.

1181967949516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771064 (or 13771062 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 67.

The spelling of 1181967949516 in words is "one trillion, one hundred eighty-one billion, nine hundred sixty-seven million, nine hundred forty-nine thousand, five hundred sixteen".