10111142501 has 2 divisors, whose sum is σ = 10111142502. Its totient is φ = 10111142500.

The previous prime is 10111142491. The next prime is 10111142537. The reversal of 10111142501 is 10524111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9214080100 + 897062401 = 95990^2 + 29951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111142501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10111142501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111141501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055571250 + 5055571251.

It is an arithmetic number, because the mean of its divisors is an integer number (5055571251).

Almost surely, 2^10111142501 is an apocalyptic number.

It is an amenable number.

10111142501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111142501 is an equidigital number, since it uses as much as digits as its factorization.

10111142501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 10111142501 its reverse (10524111101), we get a palindrome (20635253602).

The spelling of 10111142501 in words is "ten billion, one hundred eleven million, one hundred forty-two thousand, five hundred one".