11461515523 has 4 divisors (see below), whose sum is σ = 11463341400. Its totient is φ = 11459689648.

The previous prime is 11461515511. The next prime is 11461515553. The reversal of 11461515523 is 32551516411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11461515523 - 2⁵ = 11461515491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11461515553) 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, 903490 + ... + 916087.

It is an arithmetic number, because the mean of its divisors is an integer number (2865835350).

Almost surely, 2^11461515523 is an apocalyptic number.

11461515523 is a deficient number, since it is larger than the sum of its proper divisors (1825877).

11461515523 is an equidigital number, since it uses as much as digits as its factorization.

11461515523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825876.

The product of its digits is 18000, while the sum is 34.

The spelling of 11461515523 in words is "eleven billion, four hundred sixty-one million, five hundred fifteen thousand, five hundred twenty-three".