13111310450136 has 48 divisors (see below), whose sum is σ = 33324434137800. Its totient is φ = 4298790282240.

The previous prime is 13111310450107. The next prime is 13111310450153. The reversal of 13111310450136 is 63105401311131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73319001 + ... + 73497608.

Almost surely, 2^{13111310450136} is an apocalyptic number.

It is an amenable number.

13111310450136 is an abundant number, since it is smaller than the sum of its proper divisors (20213123687664).

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

13111310450136 is a wasteful number, since it uses less digits than its factorization.

13111310450136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146816740 (or 146816675 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

Adding to 13111310450136 its reverse (63105401311131), we get a palindrome (76216711761267).

The spelling of 13111310450136 in words is "thirteen trillion, one hundred eleven billion, three hundred ten million, four hundred fifty thousand, one hundred thirty-six".