11448031537 has 4 divisors (see below), whose sum is σ = 11452320256. Its totient is φ = 11443742820.

The previous prime is 11448031501. The next prime is 11448031541. The reversal of 11448031537 is 73513084411.

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.

It is a cyclic number.

It is not a de Polignac number, because 11448031537 - 2²⁷ = 11313813809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11448031496 and 11448031505.

It is not an unprimeable number, because it can be changed into a prime (11448031037) 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, 2140353 + ... + 2145694.

It is an arithmetic number, because the mean of its divisors is an integer number (2863080064).

Almost surely, 2^11448031537 is an apocalyptic number.

It is an amenable number.

11448031537 is a deficient number, since it is larger than the sum of its proper divisors (4288719).

11448031537 is an equidigital number, since it uses as much as digits as its factorization.

11448031537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288718.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 11448031537 in words is "eleven billion, four hundred forty-eight million, thirty-one thousand, five hundred thirty-seven".