11540643246 has 24 divisors (see below), whose sum is σ = 27277884504. Its totient is φ = 3497164560.

The previous prime is 11540643229. The next prime is 11540643287. The reversal of 11540643246 is 64234604511.

11540643246 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 0 + 643 + 2 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11540643246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29142841 + ... + 29143236.

It is an arithmetic number, because the mean of its divisors is an integer number (1136578521).

Almost surely, 2^11540643246 is an apocalyptic number.

11540643246 is an abundant number, since it is smaller than the sum of its proper divisors (15737241258).

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

11540643246 is a wasteful number, since it uses less digits than its factorization.

11540643246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58286096 (or 58286093 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 11540643246 in words is "eleven billion, five hundred forty million, six hundred forty-three thousand, two hundred forty-six".