11498050513 has 4 divisors (see below), whose sum is σ = 11498448960. Its totient is φ = 11497652068.

The previous prime is 11498050511. The next prime is 11498050517. The reversal of 11498050513 is 31505089411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31505089411 = 37 ⋅851488903.

It is a cyclic number.

It is not a de Polignac number, because 11498050513 - 2¹ = 11498050511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11498050511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152245 + ... + 214882.

It is an arithmetic number, because the mean of its divisors is an integer number (2874612240).

Almost surely, 2^11498050513 is an apocalyptic number.

It is an amenable number.

11498050513 is a deficient number, since it is larger than the sum of its proper divisors (398447).

11498050513 is an equidigital number, since it uses as much as digits as its factorization.

11498050513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398446.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 11498050513 in words is "eleven billion, four hundred ninety-eight million, fifty thousand, five hundred thirteen".