6121135650 has 96 divisors (see below), whose sum is σ = 17425491840. Its totient is φ = 1392952320.

The previous prime is 6121135621. The next prime is 6121135673. The reversal of 6121135650 is 565311216.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227722 + ... + 253178.

It is an arithmetic number, because the mean of its divisors is an integer number (181515540).

Almost surely, 2^6121135650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6121135650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8712745920).

6121135650 is an abundant number, since it is smaller than the sum of its proper divisors (11304356190).

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

6121135650 is a wasteful number, since it uses less digits than its factorization.

6121135650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25708 (or 25703 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6121135650 is about 78237.6868906539. The cubic root of 6121135650 is about 1829.2679893530.

Adding to 6121135650 its reverse (565311216), we get a palindrome (6686446866).

The spelling of 6121135650 in words is "six billion, one hundred twenty-one million, one hundred thirty-five thousand, six hundred fifty".