11653403653 has 4 divisors (see below), whose sum is σ = 11699831808. Its totient is φ = 11606975500.

The previous prime is 11653403647. The next prime is 11653403659. The reversal of 11653403653 is 35630435611.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (11653403647) and next prime (11653403659).

It is a cyclic number.

It is not a de Polignac number, because 11653403653 - 2⁹ = 11653403141 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 (11653403659) 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, 23213701 + ... + 23214202.

It is an arithmetic number, because the mean of its divisors is an integer number (2924957952).

Almost surely, 2^11653403653 is an apocalyptic number.

It is an amenable number.

11653403653 is a deficient number, since it is larger than the sum of its proper divisors (46428155).

11653403653 is an equidigital number, since it uses as much as digits as its factorization.

11653403653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46428154.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 11653403653 in words is "eleven billion, six hundred fifty-three million, four hundred three thousand, six hundred fifty-three".