10120007815807 has 2 divisors, whose sum is σ = 10120007815808. Its totient is φ = 10120007815806.

The previous prime is 10120007815781. The next prime is 10120007815811. The reversal of 10120007815807 is 70851870002101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10120007815807 - 2¹¹ = 10120007813759 is a prime.

It is a super-2 number, since 2×10120007815807² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10120007815807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120007815847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060003907903 + 5060003907904.

It is an arithmetic number, because the mean of its divisors is an integer number (5060003907904).

Almost surely, 2^{10120007815807} is an apocalyptic number.

10120007815807 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120007815807 is an equidigital number, since it uses as much as digits as its factorization.

10120007815807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 40.

Adding to 10120007815807 its reverse (70851870002101), we get a palindrome (80971877817908).

The spelling of 10120007815807 in words is "ten trillion, one hundred twenty billion, seven million, eight hundred fifteen thousand, eight hundred seven".