61005010011 has 16 divisors (see below), whose sum is σ = 88774334208. Its totient is φ = 36956160800.

The previous prime is 61005009977. The next prime is 61005010063. The reversal of 61005010011 is 11001050016.

61005010011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61005010011 - 2⁷ = 61005009883 is a prime.

It is a super-2 number, since 2×61005010011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61005080011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339375 + ... + 487016.

It is an arithmetic number, because the mean of its divisors is an integer number (5548395888).

Almost surely, 2^61005010011 is an apocalyptic number.

61005010011 is a deficient number, since it is larger than the sum of its proper divisors (27769324197).

61005010011 is a wasteful number, since it uses less digits than its factorization.

61005010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828642.

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 61005010011 its reverse (11001050016), we get a palindrome (72006060027).

The spelling of 61005010011 in words is "sixty-one billion, five million, ten thousand, eleven".