11355245434520 has 128 divisors (see below), whose sum is σ = 29411189216640. Its totient is φ = 3912599285760.

The previous prime is 11355245434501. The next prime is 11355245434591. The reversal of 11355245434520 is 2543454255311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11088119 + ... + 12068838.

It is an arithmetic number, because the mean of its divisors is an integer number (229774915755).

Almost surely, 2^{11355245434520} is an apocalyptic number.

11355245434520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11355245434520 is an abundant number, since it is smaller than the sum of its proper divisors (18055943782120).

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

11355245434520 is a wasteful number, since it uses less digits than its factorization.

11355245434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157045 (or 23157041 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 11355245434520 its reverse (2543454255311), we get a palindrome (13898699689831).

The spelling of 11355245434520 in words is "eleven trillion, three hundred fifty-five billion, two hundred forty-five million, four hundred thirty-four thousand, five hundred twenty".