11723521102 has 4 divisors (see below), whose sum is σ = 17585281656. Its totient is φ = 5861760550.

The previous prime is 11723521087. The next prime is 11723521123. The reversal of 11723521102 is 20112532711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20112532711 = 61 ⋅329713651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930880274 + ... + 2930880277.

It is an arithmetic number, because the mean of its divisors is an integer number (4396320414).

Almost surely, 2^11723521102 is an apocalyptic number.

11723521102 is a deficient number, since it is larger than the sum of its proper divisors (5861760554).

11723521102 is an equidigital number, since it uses as much as digits as its factorization.

11723521102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861760553.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 11723521102 in words is "eleven billion, seven hundred twenty-three million, five hundred twenty-one thousand, one hundred two".