11540871 has 24 divisors (see below), whose sum is σ = 17571840. Its totient is φ = 7284816.

The previous prime is 11540863. The next prime is 11540953. The reversal of 11540871 is 17804511.

It is not a de Polignac number, because 11540871 - 2³ = 11540863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26070 + ... + 26508.

It is an arithmetic number, because the mean of its divisors is an integer number (732160).

Almost surely, 2^11540871 is an apocalyptic number.

11540871 is a deficient number, since it is larger than the sum of its proper divisors (6030969).

11540871 is a wasteful number, since it uses less digits than its factorization.

11540871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 11540871 is about 3397.1857470559. The cubic root of 11540871 is about 225.9849560561.

The spelling of 11540871 in words is "eleven million, five hundred forty thousand, eight hundred seventy-one".