2261306136552 has 16 divisors (see below), whose sum is σ = 5653265341440. Its totient is φ = 753768712176.

The previous prime is 2261306136539. The next prime is 2261306136559. The reversal of 2261306136552 is 2556316031622.

It is a happy number.

It is a super-2 number, since 2×2261306136552² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261306136559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47110544488 + ... + 47110544535.

It is an arithmetic number, because the mean of its divisors is an integer number (353329083840).

Almost surely, 2^{2261306136552} is an apocalyptic number.

It is an amenable number.

2261306136552 is an abundant number, since it is smaller than the sum of its proper divisors (3391959204888).

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

2261306136552 is a wasteful number, since it uses less digits than its factorization.

2261306136552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94221089032 (or 94221089028 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 2261306136552 in words is "two trillion, two hundred sixty-one billion, three hundred six million, one hundred thirty-six thousand, five hundred fifty-two".