61055110554 has 64 divisors (see below), whose sum is σ = 125690019840. Its totient is φ = 19763714880.

The previous prime is 61055110507. The next prime is 61055110559. The reversal of 61055110554 is 45501155016.

It is a super-2 number, since 2×61055110554² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61055110559) 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, 19827987 + ... + 19831065.

It is an arithmetic number, because the mean of its divisors is an integer number (1963906560).

Almost surely, 2^61055110554 is an apocalyptic number.

61055110554 is an abundant number, since it is smaller than the sum of its proper divisors (64634909286).

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

61055110554 is a wasteful number, since it uses less digits than its factorization.

61055110554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 61055110554 in words is "sixty-one billion, fifty-five million, one hundred ten thousand, five hundred fifty-four".