42050561055077 has 4 divisors (see below), whose sum is σ = 42443556952896. Its totient is φ = 41657565157260.

The previous prime is 42050561055073. The next prime is 42050561055127. The reversal of 42050561055077 is 77055016505024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42050561055077 - 2² = 42050561055073 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 (42050561055073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196497948749 + ... + 196497948962.

It is an arithmetic number, because the mean of its divisors is an integer number (10610889238224).

Almost surely, 2^{42050561055077} is an apocalyptic number.

It is an amenable number.

42050561055077 is a deficient number, since it is larger than the sum of its proper divisors (392995897819).

42050561055077 is a wasteful number, since it uses less digits than its factorization.

42050561055077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392995897818.

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 42050561055077 in words is "forty-two trillion, fifty billion, five hundred sixty-one million, fifty-five thousand, seventy-seven".