11947922510 has 32 divisors (see below), whose sum is σ = 21691514880. Its totient is φ = 4738057632.

The previous prime is 11947922491. The next prime is 11947922537. The reversal of 11947922510 is 1522974911.

It is a happy number.

It is a Curzon number.

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, 2368571 + ... + 2373609.

It is an arithmetic number, because the mean of its divisors is an integer number (677859840).

Almost surely, 2^11947922510 is an apocalyptic number.

11947922510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11947922510 is a deficient number, since it is larger than the sum of its proper divisors (9743592370).

11947922510 is a wasteful number, since it uses less digits than its factorization.

11947922510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 11947922510 in words is "eleven billion, nine hundred forty-seven million, nine hundred twenty-two thousand, five hundred ten".