2261051663530 has 64 divisors (see below), whose sum is σ = 4456672513920. Its totient is φ = 819094752000.

The previous prime is 2261051663513. The next prime is 2261051663531. The reversal of 2261051663530 is 353661501622.

It is a super-2 number, since 2×2261051663530² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261051663531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58178605 + ... + 58217455.

It is an arithmetic number, because the mean of its divisors is an integer number (69635508030).

Almost surely, 2^{2261051663530} is an apocalyptic number.

2261051663530 is a deficient number, since it is larger than the sum of its proper divisors (2195620850390).

2261051663530 is a wasteful number, since it uses less digits than its factorization.

2261051663530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40855.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 2261051663530 in words is "two trillion, two hundred sixty-one billion, fifty-one million, six hundred sixty-three thousand, five hundred thirty".