42131116661485 has 8 divisors (see below), whose sum is σ = 50557468915296. Its totient is φ = 33704807381520.

The previous prime is 42131116661449. The next prime is 42131116661503. The reversal of 42131116661485 is 58416661113124.

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

It is not a de Polignac number, because 42131116661485 - 2⁹ = 42131116660973 is a prime.

It is a super-2 number, since 2×42131116661485² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 8545731 + ... + 12541600.

It is an arithmetic number, because the mean of its divisors is an integer number (6319683614412).

Almost surely, 2^{42131116661485} is an apocalyptic number.

It is an amenable number.

42131116661485 is a deficient number, since it is larger than the sum of its proper divisors (8426352253811).

42131116661485 is a wasteful number, since it uses less digits than its factorization.

42131116661485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486923.

The product of its digits is 829440, while the sum is 49.

The spelling of 42131116661485 in words is "forty-two trillion, one hundred thirty-one billion, one hundred sixteen million, six hundred sixty-one thousand, four hundred eighty-five".