11515146344445 has 64 divisors (see below), whose sum is σ = 19597098092544. Its totient is φ = 5761872019200.

The previous prime is 11515146344437. The next prime is 11515146344467. The reversal of 11515146344445 is 54444364151511.

It is not a de Polignac number, because 11515146344445 - 2³ = 11515146344437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11515146344394 and 11515146344403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2184174 + ... + 5272656.

It is an arithmetic number, because the mean of its divisors is an integer number (306204657696).

Almost surely, 2^{11515146344445} is an apocalyptic number.

11515146344445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11515146344445 is a deficient number, since it is larger than the sum of its proper divisors (8081951748099).

11515146344445 is a wasteful number, since it uses less digits than its factorization.

11515146344445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088722.

The product of its digits is 2304000, while the sum is 48.

The spelling of 11515146344445 in words is "eleven trillion, five hundred fifteen billion, one hundred forty-six million, three hundred forty-four thousand, four hundred forty-five".