11538757 has 4 divisors (see below), whose sum is σ = 12146080. Its totient is φ = 10931436.

The previous prime is 11538739. The next prime is 11538763. The reversal of 11538757 is 75783511.

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: 75783511 = 37 ⋅2048203.

It is a cyclic number.

It is not a de Polignac number, because 11538757 - 2⁷ = 11538629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538797) 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, 303633 + ... + 303670.

It is an arithmetic number, because the mean of its divisors is an integer number (3036520).

Almost surely, 2^11538757 is an apocalyptic number.

It is an amenable number.

11538757 is a deficient number, since it is larger than the sum of its proper divisors (607323).

11538757 is an equidigital number, since it uses as much as digits as its factorization.

11538757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607322.

The product of its digits is 29400, while the sum is 37.

The square root of 11538757 is about 3396.8745929163. The cubic root of 11538757 is about 225.9711569425.

The spelling of 11538757 in words is "eleven million, five hundred thirty-eight thousand, seven hundred fifty-seven".