2261511020654 has 16 divisors (see below), whose sum is σ = 3405161371680. Its totient is φ = 1126457932320.

The previous prime is 2261511020627. The next prime is 2261511020683. The reversal of 2261511020654 is 4560201151622.

It is a super-2 number, since 2×2261511020654² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6513287 + ... + 6851709.

It is an arithmetic number, because the mean of its divisors is an integer number (212822585730).

Almost surely, 2^{2261511020654} is an apocalyptic number.

2261511020654 is a deficient number, since it is larger than the sum of its proper divisors (1143650351026).

2261511020654 is a wasteful number, since it uses less digits than its factorization.

2261511020654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351115.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 2261511020654 in words is "two trillion, two hundred sixty-one billion, five hundred eleven million, twenty thousand, six hundred fifty-four".