11251131215403 has 16 divisors (see below), whose sum is σ = 15910366599936. Its totient is φ = 7057017438240.

The previous prime is 11251131215399. The next prime is 11251131215413. The reversal of 11251131215403 is 30451213115211.

It is not a de Polignac number, because 11251131215403 - 2² = 11251131215399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11251131215413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336552125 + ... + 1336560542.

It is an arithmetic number, because the mean of its divisors is an integer number (994397912496).

Almost surely, 2^{11251131215403} is an apocalyptic number.

11251131215403 is a deficient number, since it is larger than the sum of its proper divisors (4659235384533).

11251131215403 is a wasteful number, since it uses less digits than its factorization.

11251131215403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673112754.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 11251131215403 in words is "eleven trillion, two hundred fifty-one billion, one hundred thirty-one million, two hundred fifteen thousand, four hundred three".