61501061010 has 32 divisors (see below), whose sum is σ = 148040560512. Its totient is φ = 16351614720.

The previous prime is 61501061003. The next prime is 61501061077. The reversal of 61501061010 is 1016010516.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031486 + ... + 3051705.

It is an arithmetic number, because the mean of its divisors is an integer number (4626267516).

Almost surely, 2^61501061010 is an apocalyptic number.

61501061010 is an abundant number, since it is smaller than the sum of its proper divisors (86539499502).

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

61501061010 is a wasteful number, since it uses less digits than its factorization.

61501061010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083538.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 61501061010 its reverse (1016010516), we get a palindrome (62517071526).

The spelling of 61501061010 in words is "sixty-one billion, five hundred one million, sixty-one thousand, ten".