42124250013155 has 16 divisors (see below), whose sum is σ = 51099757964640. Its totient is φ = 33333348102912.

The previous prime is 42124250013151. The next prime is 42124250013193. The reversal of 42124250013155 is 55131005242124.

It is a cyclic number.

It is not a de Polignac number, because 42124250013155 - 2² = 42124250013151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42124250013151) 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, 65516714 + ... + 66156543.

It is an arithmetic number, because the mean of its divisors is an integer number (3193734872790).

Almost surely, 2^{42124250013155} is an apocalyptic number.

42124250013155 is a deficient number, since it is larger than the sum of its proper divisors (8975507951485).

42124250013155 is a wasteful number, since it uses less digits than its factorization.

42124250013155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131673958.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 42124250013155 its reverse (55131005242124), we get a palindrome (97255255255279).

The spelling of 42124250013155 in words is "forty-two trillion, one hundred twenty-four billion, two hundred fifty million, thirteen thousand, one hundred fifty-five".