15125020511 has 2 divisors, whose sum is σ = 15125020512. Its totient is φ = 15125020510.

The previous prime is 15125020481. The next prime is 15125020541. The reversal of 15125020511 is 11502052151.

It is a balanced prime because it is at equal distance from previous prime (15125020481) and next prime (15125020541).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15125020511 is a prime.

It is a super-2 number, since 2×15125020511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15125020541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562510255 + 7562510256.

It is an arithmetic number, because the mean of its divisors is an integer number (7562510256).

Almost surely, 2^15125020511 is an apocalyptic number.

15125020511 is a deficient number, since it is larger than the sum of its proper divisors (1).

15125020511 is an equidigital number, since it uses as much as digits as its factorization.

15125020511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 15125020511 its reverse (11502052151), we get a palindrome (26627072662).

The spelling of 15125020511 in words is "fifteen billion, one hundred twenty-five million, twenty thousand, five hundred eleven".