13145020111454 has 64 divisors (see below), whose sum is σ = 24725706914304. Its totient is φ = 5091735600000.

The previous prime is 13145020111441. The next prime is 13145020111571. The reversal of 13145020111454 is 45411102054131.

It is a self number, because there is not a number n which added to its sum of digits gives 13145020111454.

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, 30361904 + ... + 30791804.

It is an arithmetic number, because the mean of its divisors is an integer number (386339170536).

Almost surely, 2^{13145020111454} is an apocalyptic number.

13145020111454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13145020111454 is a deficient number, since it is larger than the sum of its proper divisors (11580686802850).

13145020111454 is a wasteful number, since it uses less digits than its factorization.

13145020111454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431073.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 13145020111454 its reverse (45411102054131), we get a palindrome (58556122165585).

The spelling of 13145020111454 in words is "thirteen trillion, one hundred forty-five billion, twenty million, one hundred eleven thousand, four hundred fifty-four".