11503848737 has 12 divisors (see below), whose sum is σ = 12307526820. Its totient is φ = 10749065472.

The previous prime is 11503848701. The next prime is 11503848743. The reversal of 11503848737 is 73784830511.

It can be written as a sum of positive squares in 2 ways, for example, as 6749608336 + 4754240401 = 82156^2 + 68951^2 .

It is not a de Polignac number, because 11503848737 - 2¹⁰ = 11503847713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11503848691 and 11503848700.

It is not an unprimeable number, because it can be changed into a prime (11503842737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191912 + ... + 244617.

It is an arithmetic number, because the mean of its divisors is an integer number (1025627235).

Almost surely, 2^11503848737 is an apocalyptic number.

It is an amenable number.

11503848737 is a deficient number, since it is larger than the sum of its proper divisors (803678083).

11503848737 is an equidigital number, since it uses as much as digits as its factorization.

11503848737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436640 (or 436621 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 11503848737 in words is "eleven billion, five hundred three million, eight hundred forty-eight thousand, seven hundred thirty-seven".