1011379988813 has 4 divisors (see below), whose sum is σ = 1064610514560. Its totient is φ = 958149463068.

The previous prime is 1011379988807. The next prime is 1011379988821. The reversal of 1011379988813 is 3188899731101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011379988813 - 2⁸ = 1011379988557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011379988803) 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, 26615262845 + ... + 26615262882.

It is an arithmetic number, because the mean of its divisors is an integer number (266152628640).

Almost surely, 2^{1011379988813} is an apocalyptic number.

It is an amenable number.

1011379988813 is a deficient number, since it is larger than the sum of its proper divisors (53230525747).

1011379988813 is an equidigital number, since it uses as much as digits as its factorization.

1011379988813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53230525746.

The product of its (nonzero) digits is 2612736, while the sum is 59.

The spelling of 1011379988813 in words is "one trillion, eleven billion, three hundred seventy-nine million, nine hundred eighty-eight thousand, eight hundred thirteen".