61055111100507 has 8 divisors (see below), whose sum is σ = 81707208952320. Its totient is φ = 40553210324520.

The previous prime is 61055111100493. The next prime is 61055111100563. The reversal of 61055111100507 is 70500111155016.

61055111100507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61055111100507 - 2³¹ = 61052963616859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61055111100107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37549268007 + ... + 37549269632.

It is an arithmetic number, because the mean of its divisors is an integer number (10213401119040).

Almost surely, 2^{61055111100507} is an apocalyptic number.

61055111100507 is a deficient number, since it is larger than the sum of its proper divisors (20652097851813).

61055111100507 is a wasteful number, since it uses less digits than its factorization.

61055111100507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75098537913.

The product of its (nonzero) digits is 5250, while the sum is 33.

The spelling of 61055111100507 in words is "sixty-one trillion, fifty-five billion, one hundred eleven million, one hundred thousand, five hundred seven".