61005015010 has 32 divisors (see below), whose sum is σ = 113409165312. Its totient is φ = 23602779840.

The previous prime is 61005014977. The next prime is 61005015013. The reversal of 61005015010 is 1051050016.

It is a super-2 number, since 2×61005015010² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61005015013) 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 15 ways as a sum of consecutive naturals, for example, 569799 + ... + 668341.

It is an arithmetic number, because the mean of its divisors is an integer number (3544036416).

Almost surely, 2^61005015010 is an apocalyptic number.

61005015010 is a deficient number, since it is larger than the sum of its proper divisors (52404150302).

61005015010 is a wasteful number, since it uses less digits than its factorization.

61005015010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100578.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 61005015010 its reverse (1051050016), we get a palindrome (62056065026).

The spelling of 61005015010 in words is "sixty-one billion, five million, fifteen thousand, ten".