61057633355 has 4 divisors (see below), whose sum is σ = 73269160032. Its totient is φ = 48846106680.

The previous prime is 61057633321. The next prime is 61057633361. The reversal of 61057633355 is 55333675016.

61057633355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61057633355 - 2⁸ = 61057633099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105763331 + ... + 6105763340.

It is an arithmetic number, because the mean of its divisors is an integer number (18317290008).

Almost surely, 2^61057633355 is an apocalyptic number.

61057633355 is a deficient number, since it is larger than the sum of its proper divisors (12211526677).

61057633355 is a wasteful number, since it uses less digits than its factorization.

61057633355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12211526676.

The product of its (nonzero) digits is 850500, while the sum is 44.

The spelling of 61057633355 in words is "sixty-one billion, fifty-seven million, six hundred thirty-three thousand, three hundred fifty-five".