11457611 has 18 divisors (see below), whose sum is σ = 13238820. Its totient is φ = 9907480.

The previous prime is 11457601. The next prime is 11457629. The reversal of 11457611 is 11675411.

It is a happy number.

It is not a de Polignac number, because 11457611 - 2¹⁸ = 11195467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11457601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63920 + ... + 64098.

It is an arithmetic number, because the mean of its divisors is an integer number (735490).

Almost surely, 2^11457611 is an apocalyptic number.

11457611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11457611 is a deficient number, since it is larger than the sum of its proper divisors (1781209).

11457611 is a wasteful number, since it uses less digits than its factorization.

11457611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 213 counting only the distinct ones).

The product of its digits is 840, while the sum is 26.

The square root of 11457611 is about 3384.9093045457. The cubic root of 11457611 is about 225.4401983005.

The spelling of 11457611 in words is "eleven million, four hundred fifty-seven thousand, six hundred eleven".