1010111110978 has 8 divisors (see below), whose sum is σ = 1515180650940. Its totient is φ = 505050894000.

The previous prime is 1010111110973. The next prime is 1010111110979. The reversal of 1010111110978 is 8790111110101.

It can be written as a sum of positive squares in 2 ways, for example, as 617392062049 + 392719048929 = 785743^2 + 626673^2 .

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 (1010111110973) 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, 2053273 + ... + 2497228.

Almost surely, 2^{1010111110978} is an apocalyptic number.

1010111110978 is a deficient number, since it is larger than the sum of its proper divisors (505069539962).

1010111110978 is a wasteful number, since it uses less digits than its factorization.

1010111110978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661492.

The product of its (nonzero) digits is 504, while the sum is 31.

The spelling of 1010111110978 in words is "one trillion, ten billion, one hundred eleven million, one hundred ten thousand, nine hundred seventy-eight".