11513405120534 has 16 divisors (see below), whose sum is σ = 17596702290960. Its totient is φ = 5647846869600.

The previous prime is 11513405120533. The next prime is 11513405120537. The reversal of 11513405120534 is 43502150431511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11513405120494 and 11513405120503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513405120533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238709 + ... + 4804559.

It is an arithmetic number, because the mean of its divisors is an integer number (1099793893185).

Almost surely, 2^{11513405120534} is an apocalyptic number.

11513405120534 is a deficient number, since it is larger than the sum of its proper divisors (6083297170426).

11513405120534 is a wasteful number, since it uses less digits than its factorization.

11513405120534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589695.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 11513405120534 in words is "eleven trillion, five hundred thirteen billion, four hundred five million, one hundred twenty thousand, five hundred thirty-four".