11020639523838 has 32 divisors (see below), whose sum is σ = 25191440376576. Its totient is φ = 3148578252288.

The previous prime is 11020639523833. The next prime is 11020639523843. The reversal of 11020639523838 is 83832593602011.

It is an interprime number because it is at equal distance from previous prime (11020639523833) and next prime (11020639523843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020639523833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6567331 + ... + 8072862.

It is an arithmetic number, because the mean of its divisors is an integer number (787232511768).

Almost surely, 2^{11020639523838} is an apocalyptic number.

11020639523838 is an abundant number, since it is smaller than the sum of its proper divisors (14170800852738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020639523838 is a wasteful number, since it uses less digits than its factorization.

11020639523838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658128.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 11020639523838 in words is "eleven trillion, twenty billion, six hundred thirty-nine million, five hundred twenty-three thousand, eight hundred thirty-eight".