11486551 has 2 divisors, whose sum is σ = 11486552. Its totient is φ = 11486550.

The previous prime is 11486537. The next prime is 11486561. The reversal of 11486551 is 15568411.

It is a strong prime.

It is an emirp because it is prime and its reverse (15568411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11486551 - 2²¹ = 9389399 is a prime.

It is equal to p₇₅₆₄₆₃ and since 11486551 and 756463 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11486561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743275 + 5743276.

It is an arithmetic number, because the mean of its divisors is an integer number (5743276).

Almost surely, 2^11486551 is an apocalyptic number.

11486551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11486551 is an equidigital number, since it uses as much as digits as its factorization.

11486551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 31.

The square root of 11486551 is about 3389.1814646017. The cubic root of 11486551 is about 225.6298467356.

The spelling of 11486551 in words is "eleven million, four hundred eighty-six thousand, five hundred fifty-one".