11251515103 has 2 divisors, whose sum is σ = 11251515104. Its totient is φ = 11251515102.

The previous prime is 11251515043. The next prime is 11251515113. The reversal of 11251515103 is 30151515211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251515103 is a prime.

It is a super-2 number, since 2×11251515103² (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 (11251515113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625757551 + 5625757552.

It is an arithmetic number, because the mean of its divisors is an integer number (5625757552).

Almost surely, 2^11251515103 is an apocalyptic number.

11251515103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251515103 is an equidigital number, since it uses as much as digits as its factorization.

11251515103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11251515103 in words is "eleven billion, two hundred fifty-one million, five hundred fifteen thousand, one hundred three".