10239984991501 has 2 divisors, whose sum is σ = 10239984991502. Its totient is φ = 10239984991500.

The previous prime is 10239984991487. The next prime is 10239984991567. The reversal of 10239984991501 is 10519948993201.

10239984991501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5913797148900 + 4326187842601 = 2431830^2 + 2079949^2 .

It is a cyclic number.

It is not a de Polignac number, because 10239984991501 - 2²³ = 10239976602893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10239984991501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10239984991001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119992495750 + 5119992495751.

It is an arithmetic number, because the mean of its divisors is an integer number (5119992495751).

Almost surely, 2^{10239984991501} is an apocalyptic number.

It is an amenable number.

10239984991501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239984991501 is an equidigital number, since it uses as much as digits as its factorization.

10239984991501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 61.

It can be divided in two parts, 1023998499 and 1501, that added together give a square (1024000000 = 32000²).

The spelling of 10239984991501 in words is "ten trillion, two hundred thirty-nine billion, nine hundred eighty-four million, nine hundred ninety-one thousand, five hundred one".