11351403042520 has 16 divisors (see below), whose sum is σ = 25540656845760. Its totient is φ = 4540561216992.

The previous prime is 11351403042517. The next prime is 11351403042527. The reversal of 11351403042520 is 2524030415311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351403042527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141892537992 + ... + 141892538071.

It is an arithmetic number, because the mean of its divisors is an integer number (1596291052860).

Almost surely, 2^{11351403042520} is an apocalyptic number.

11351403042520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11351403042520 is an abundant number, since it is smaller than the sum of its proper divisors (14189253803240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11351403042520 is a wasteful number, since it uses less digits than its factorization.

11351403042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283785076074 (or 283785076070 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 11351403042520 its reverse (2524030415311), we get a palindrome (13875433457831).

The spelling of 11351403042520 in words is "eleven trillion, three hundred fifty-one billion, four hundred three million, forty-two thousand, five hundred twenty".