61220142335 has 8 divisors (see below), whose sum is σ = 80142731856. Its totient is φ = 44523739840.

The previous prime is 61220142299. The next prime is 61220142349. The reversal of 61220142335 is 53324102216.

It is a happy number.

61220142335 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 61220142335 - 2⁶ = 61220142271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61220142298 and 61220142307.

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, 556546694 + ... + 556546803.

It is an arithmetic number, because the mean of its divisors is an integer number (10017841482).

Almost surely, 2^61220142335 is an apocalyptic number.

61220142335 is a deficient number, since it is larger than the sum of its proper divisors (18922589521).

61220142335 is a wasteful number, since it uses less digits than its factorization.

61220142335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113093513.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 61220142335 in words is "sixty-one billion, two hundred twenty million, one hundred forty-two thousand, three hundred thirty-five".