11513015354 has 4 divisors (see below), whose sum is σ = 17269523034. Its totient is φ = 5756507676.

The previous prime is 11513015333. The next prime is 11513015369. The reversal of 11513015354 is 45351031511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6468180625 + 5044834729 = 80425^2 + 71027^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878253837 + ... + 2878253840.

Almost surely, 2^11513015354 is an apocalyptic number.

11513015354 is a deficient number, since it is larger than the sum of its proper divisors (5756507680).

11513015354 is an equidigital number, since it uses as much as digits as its factorization.

11513015354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756507679.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 11513015354 its reverse (45351031511), we get a palindrome (56864046865).

The spelling of 11513015354 in words is "eleven billion, five hundred thirteen million, fifteen thousand, three hundred fifty-four".