1010001010978 has 8 divisors (see below), whose sum is σ = 1520354879568. Its totient is φ = 503216051124.

The previous prime is 1010001010937. The next prime is 1010001010979. The reversal of 1010001010978 is 8790101000101.

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 (1010001010979) 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, 892226476 + ... + 892227607.

It is an arithmetic number, because the mean of its divisors is an integer number (190044359946).

Almost surely, 2^{1010001010978} is an apocalyptic number.

1010001010978 is a deficient number, since it is larger than the sum of its proper divisors (510353868590).

1010001010978 is a wasteful number, since it uses less digits than its factorization.

1010001010978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784454368.

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

The spelling of 1010001010978 in words is "one trillion, ten billion, one million, ten thousand, nine hundred seventy-eight".