15202042811 has 2 divisors, whose sum is σ = 15202042812. Its totient is φ = 15202042810.

The previous prime is 15202042799. The next prime is 15202042873. The reversal of 15202042811 is 11824020251.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15202042811 is a prime.

It is a super-2 number, since 2×15202042811² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15202044811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7601021405 + 7601021406.

It is an arithmetic number, because the mean of its divisors is an integer number (7601021406).

Almost surely, 2^15202042811 is an apocalyptic number.

15202042811 is a deficient number, since it is larger than the sum of its proper divisors (1).

15202042811 is an equidigital number, since it uses as much as digits as its factorization.

15202042811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 15202042811 in words is "fifteen billion, two hundred two million, forty-two thousand, eight hundred eleven".