11670971544 has 24 divisors (see below), whose sum is σ = 31608881460. Its totient is φ = 3890323824.

The previous prime is 11670971527. The next prime is 11670971561. The reversal of 11670971544 is 44517907611.

11670971544 is a `hidden beast` number, since 1 + 16 + 7 + 0 + 97 + 1 + 544 = 666.

11670971544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11670971527) and next prime (11670971561).

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11670971544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81048342 + ... + 81048485.

Almost surely, 2^11670971544 is an apocalyptic number.

It is an amenable number.

11670971544 is an abundant number, since it is smaller than the sum of its proper divisors (19937909916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11670971544 is a wasteful number, since it uses less digits than its factorization.

11670971544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162096839 (or 162096832 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 11670971544 in words is "eleven billion, six hundred seventy million, nine hundred seventy-one thousand, five hundred forty-four".