11890553 has 2 divisors, whose sum is σ = 11890554. Its totient is φ = 11890552.

The previous prime is 11890511. The next prime is 11890559. The reversal of 11890553 is 35509811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 1849 = 3448^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 11890553 - 2⁸ = 11890297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11890559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5945276 + 5945277.

It is an arithmetic number, because the mean of its divisors is an integer number (5945277).

Almost surely, 2^11890553 is an apocalyptic number.

It is an amenable number.

11890553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11890553 is an equidigital number, since it uses as much as digits as its factorization.

11890553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 11890553 is about 3448.2681160258. The cubic root of 11890553 is about 228.2446908779.

The spelling of 11890553 in words is "eleven million, eight hundred ninety thousand, five hundred fifty-three".