61050556501 has 16 divisors (see below), whose sum is σ = 67630982400. Its totient is φ = 54647084800.

The previous prime is 61050556499. The next prime is 61050556507. The reversal of 61050556501 is 10565505016.

61050556501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61050556501 - 2¹ = 61050556499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61050556507) 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, 103521 + ... + 364441.

It is an arithmetic number, because the mean of its divisors is an integer number (4226936400).

Almost surely, 2^61050556501 is an apocalyptic number.

It is an amenable number.

61050556501 is a deficient number, since it is larger than the sum of its proper divisors (6580425899).

61050556501 is a wasteful number, since it uses less digits than its factorization.

61050556501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261260.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 61050556501 in words is "sixty-one billion, fifty million, five hundred fifty-six thousand, five hundred one".