11901223005630 has 32 divisors (see below), whose sum is σ = 32643354530304. Its totient is φ = 2720279544096.

The previous prime is 11901223005577. The next prime is 11901223005643. The reversal of 11901223005630 is 3650032210911.

It is a junction number, because it is equal to n+sod(n) for n = 11901223005591 and 11901223005600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28336245042 + ... + 28336245461.

It is an arithmetic number, because the mean of its divisors is an integer number (1020104829072).

Almost surely, 2^{11901223005630} is an apocalyptic number.

11901223005630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11901223005630 is an abundant number, since it is smaller than the sum of its proper divisors (20742131524674).

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

11901223005630 is a wasteful number, since it uses less digits than its factorization.

11901223005630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56672490520.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 11901223005630 in words is "eleven trillion, nine hundred one billion, two hundred twenty-three million, five thousand, six hundred thirty".