2113367621508 has 144 divisors (see below), whose sum is σ = 6364457753472. Its totient is φ = 582825600000.

The previous prime is 2113367621489. The next prime is 2113367621551. The reversal of 2113367621508 is 8051267633112.

It is a happy number.

2113367621508 is a `hidden beast` number, since 2 + 1 + 13 + 3 + 6 + 7 + 621 + 5 + 0 + 8 = 666.

It is a super-2 number, since 2×2113367621508² (a number of 25 digits) contains 22 as substring.

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, 2525493 + ... + 3256508.

It is an arithmetic number, because the mean of its divisors is an integer number (44197623288).

Almost surely, 2^{2113367621508} is an apocalyptic number.

It is an amenable number.

2113367621508 is an abundant number, since it is smaller than the sum of its proper divisors (4251090131964).

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

2113367621508 is a wasteful number, since it uses less digits than its factorization.

2113367621508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782106 (or 5782101 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2113367621508 in words is "two trillion, one hundred thirteen billion, three hundred sixty-seven million, six hundred twenty-one thousand, five hundred eight".