11011651953 has 4 divisors (see below), whose sum is σ = 14682202608. Its totient is φ = 7341101300.

The previous prime is 11011651933. The next prime is 11011651979. The reversal of 11011651953 is 35915611011.

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 a cyclic number.

It is not a de Polignac number, because 11011651953 - 2¹³ = 11011643761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011651933) 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, 1835275323 + ... + 1835275328.

It is an arithmetic number, because the mean of its divisors is an integer number (3670550652).

Almost surely, 2^11011651953 is an apocalyptic number.

It is an amenable number.

11011651953 is a deficient number, since it is larger than the sum of its proper divisors (3670550655).

11011651953 is an equidigital number, since it uses as much as digits as its factorization.

11011651953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670550654.

The product of its (nonzero) digits is 4050, while the sum is 33.

The spelling of 11011651953 in words is "eleven billion, eleven million, six hundred fifty-one thousand, nine hundred fifty-three".