61050555501 has 16 divisors (see below), whose sum is σ = 90685176960. Its totient is φ = 36274069440.

The previous prime is 61050555493. The next prime is 61050555521. The reversal of 61050555501 is 10555505016.

It is not a de Polignac number, because 61050555501 - 2³ = 61050555493 is a prime.

It is a super-2 number, since 2×61050555501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61050555521) 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, 26988505 + ... + 26990766.

It is an arithmetic number, because the mean of its divisors is an integer number (5667823560).

Almost surely, 2^61050555501 is an apocalyptic number.

It is an amenable number.

61050555501 is a deficient number, since it is larger than the sum of its proper divisors (29634621459).

61050555501 is a wasteful number, since it uses less digits than its factorization.

61050555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53979316.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 61050555501 in words is "sixty-one billion, fifty million, five hundred fifty-five thousand, five hundred one".