42155612142637 has 8 divisors (see below), whose sum is σ = 48177932200256. Its totient is φ = 36133314522912.

The previous prime is 42155612142613. The next prime is 42155612142641. The reversal of 42155612142637 is 73624121655124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42155612142637 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 (42155612142607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369923 + ... + 9283744.

It is an arithmetic number, because the mean of its divisors is an integer number (6022241525032).

Almost surely, 2^{42155612142637} is an apocalyptic number.

It is an amenable number.

42155612142637 is a deficient number, since it is larger than the sum of its proper divisors (6022320057619).

42155612142637 is a wasteful number, since it uses less digits than its factorization.

42155612142637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218947.

The product of its digits is 2419200, while the sum is 49.

The spelling of 42155612142637 in words is "forty-two trillion, one hundred fifty-five billion, six hundred twelve million, one hundred forty-two thousand, six hundred thirty-seven".