61100255 has 8 divisors (see below), whose sum is σ = 74704032. Its totient is φ = 47957728.

The previous prime is 61100233. The next prime is 61100267. The reversal of 61100255 is 55200116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61100255 - 2¹² = 61096159 is a prime.

It is a super-2 number, since 2×61100255² = 7466482322130050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115019 + ... + 115548.

It is an arithmetic number, because the mean of its divisors is an integer number (9338004).

Almost surely, 2^61100255 is an apocalyptic number.

61100255 is a deficient number, since it is larger than the sum of its proper divisors (13603777).

61100255 is a wasteful number, since it uses less digits than its factorization.

61100255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230625.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 61100255 is about 7816.6652096658. The cubic root of 61100255 is about 393.8652579357.

The spelling of 61100255 in words is "sixty-one million, one hundred thousand, two hundred fifty-five".