11405130646 has 128 divisors (see below), whose sum is σ = 23662679040. Its totient is φ = 3989606400.

The previous prime is 11405130637. The next prime is 11405130661. The reversal of 11405130646 is 64603150411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7700226 + ... + 7701706.

It is an arithmetic number, because the mean of its divisors is an integer number (184864680).

Almost surely, 2^11405130646 is an apocalyptic number.

11405130646 is an abundant number, since it is smaller than the sum of its proper divisors (12257548394).

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

11405130646 is a wasteful number, since it uses less digits than its factorization.

11405130646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 11405130646 in words is "eleven billion, four hundred five million, one hundred thirty thousand, six hundred forty-six".