61001110000 has 50 divisors (see below), whose sum is σ = 147689811632. Its totient is φ = 24400440000.

The previous prime is 61001109943. The next prime is 61001110007. The reversal of 61001110000 is 1110016.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×61001110000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001110007) 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 9 ways as a sum of consecutive naturals, for example, 3040056 + ... + 3060055.

Almost surely, 2^61001110000 is an apocalyptic number.

It is an amenable number.

61001110000 is an abundant number, since it is smaller than the sum of its proper divisors (86688701632).

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

61001110000 is an equidigital number, since it uses as much as digits as its factorization.

61001110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100139 (or 6100118 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 61001110000 its reverse (1110016), we get a palindrome (61002220016).

The spelling of 61001110000 in words is "sixty-one billion, one million, one hundred ten thousand".