11505404630 has 16 divisors (see below), whose sum is σ = 20712314304. Its totient is φ = 4601587200.

The previous prime is 11505404623. The next prime is 11505404633. The reversal of 11505404630 is 3640450511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11505404593 and 11505404602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505404633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17555 + ... + 152705.

It is an arithmetic number, because the mean of its divisors is an integer number (1294519644).

Almost surely, 2^11505404630 is an apocalyptic number.

11505404630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505404630 is a deficient number, since it is larger than the sum of its proper divisors (9206909674).

11505404630 is a wasteful number, since it uses less digits than its factorization.

11505404630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143671.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 11505404630 in words is "eleven billion, five hundred five million, four hundred four thousand, six hundred thirty".