1011478707789 has 32 divisors (see below), whose sum is σ = 1575288673920. Its totient is φ = 570474854400.

The previous prime is 1011478707761. The next prime is 1011478707817. The reversal of 1011478707789 is 9877078741101.

1011478707789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011478707761) and next prime (1011478707817).

It is not a de Polignac number, because 1011478707789 - 2²⁷ = 1011344490061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011478707719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10079242 + ... + 10179099.

It is an arithmetic number, because the mean of its divisors is an integer number (49227771060).

Almost surely, 2^{1011478707789} is an apocalyptic number.

It is an amenable number.

1011478707789 is a deficient number, since it is larger than the sum of its proper divisors (563809966131).

1011478707789 is a wasteful number, since it uses less digits than its factorization.

1011478707789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20258461.

The product of its (nonzero) digits is 5531904, while the sum is 60.

The spelling of 1011478707789 in words is "one trillion, eleven billion, four hundred seventy-eight million, seven hundred seven thousand, seven hundred eighty-nine".