1011100000978 has 8 divisors (see below), whose sum is σ = 1517008475520. Its totient is φ = 505430509140.

The previous prime is 1011100000913. The next prime is 1011100000979. The reversal of 1011100000978 is 8790000011101.

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

It is not an unprimeable number, because it can be changed into a prime (1011100000979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59735098 + ... + 59752021.

It is an arithmetic number, because the mean of its divisors is an integer number (189626059440).

Almost surely, 2^{1011100000978} is an apocalyptic number.

1011100000978 is a deficient number, since it is larger than the sum of its proper divisors (505908474542).

1011100000978 is a wasteful number, since it uses less digits than its factorization.

1011100000978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119491352.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 1011100000978 in words is "one trillion, eleven billion, one hundred million, nine hundred seventy-eight", and thus it is an aban number.