61000100000554 has 64 divisors (see below), whose sum is σ = 107623618607232. Its totient is φ = 25564236825600.

The previous prime is 61000100000527. The next prime is 61000100000557. The reversal of 61000100000554 is 45500000100016.

It is a super-2 number, since 2×61000100000554² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (61000100000557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1263414894 + ... + 1263463174.

It is an arithmetic number, because the mean of its divisors is an integer number (1681619040738).

Almost surely, 2^{61000100000554} is an apocalyptic number.

61000100000554 is a deficient number, since it is larger than the sum of its proper divisors (46623518606678).

61000100000554 is a wasteful number, since it uses less digits than its factorization.

61000100000554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53431.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 61000100000554 in words is "sixty-one trillion, one hundred million, five hundred fifty-four", and thus it is an aban number.