61261226516635 has 16 divisors (see below), whose sum is σ = 73612506880512. Its totient is φ = 48942994716000.

The previous prime is 61261226516563. The next prime is 61261226516653. The reversal of 61261226516635 is 53661562216216.

It is not a de Polignac number, because 61261226516635 - 2⁷ = 61261226516507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10997422 + ... + 15603388.

It is an arithmetic number, because the mean of its divisors is an integer number (4600781680032).

Almost surely, 2^{61261226516635} is an apocalyptic number.

61261226516635 is a deficient number, since it is larger than the sum of its proper divisors (12351280363877).

61261226516635 is a wasteful number, since it uses less digits than its factorization.

61261226516635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609554.

The product of its digits is 4665600, while the sum is 52.

The spelling of 61261226516635 in words is "sixty-one trillion, two hundred sixty-one billion, two hundred twenty-six million, five hundred sixteen thousand, six hundred thirty-five".