11642550620 has 24 divisors (see below), whose sum is σ = 24451786464. Its totient is φ = 4656557376.

The previous prime is 11642550559. The next prime is 11642550631. The reversal of 11642550620 is 2605524611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236894 + ... + 281786.

It is an arithmetic number, because the mean of its divisors is an integer number (1018824436).

Almost surely, 2^11642550620 is an apocalyptic number.

11642550620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11642550620 is an abundant number, since it is smaller than the sum of its proper divisors (12809235844).

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

11642550620 is a wasteful number, since it uses less digits than its factorization.

11642550620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57869 (or 57867 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11642550620 in words is "eleven billion, six hundred forty-two million, five hundred fifty thousand, six hundred twenty".