11720501522650 has 48 divisors (see below), whose sum is σ = 21852133025760. Its totient is φ = 4677029438400.

The previous prime is 11720501522647. The next prime is 11720501522659. The reversal of 11720501522650 is 5622510502711.

It is not an unprimeable number, because it can be changed into a prime (11720501522659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40306780 + ... + 40596520.

It is an arithmetic number, because the mean of its divisors is an integer number (455252771370).

Almost surely, 2^{11720501522650} is an apocalyptic number.

11720501522650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11720501522650 is a deficient number, since it is larger than the sum of its proper divisors (10131631503110).

11720501522650 is a wasteful number, since it uses less digits than its factorization.

11720501522650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291679 (or 291674 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 11720501522650 in words is "eleven trillion, seven hundred twenty billion, five hundred one million, five hundred twenty-two thousand, six hundred fifty".