42751155520401 has 16 divisors (see below), whose sum is σ = 57016659174720. Its totient is φ = 28493211801600.

The previous prime is 42751155520379. The next prime is 42751155520417. The reversal of 42751155520401 is 10402555115724.

It is a happy number.

It is not a de Polignac number, because 42751155520401 - 2⁵ = 42751155520369 is a prime.

It is a super-2 number, since 2×42751155520401² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42751155520471) 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, 286732410 + ... + 286881468.

It is an arithmetic number, because the mean of its divisors is an integer number (3563541198420).

Almost surely, 2^{42751155520401} is an apocalyptic number.

It is an amenable number.

42751155520401 is a deficient number, since it is larger than the sum of its proper divisors (14265503654319).

42751155520401 is a wasteful number, since it uses less digits than its factorization.

42751155520401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173776.

The product of its (nonzero) digits is 280000, while the sum is 42.

The spelling of 42751155520401 in words is "forty-two trillion, seven hundred fifty-one billion, one hundred fifty-five million, five hundred twenty thousand, four hundred one".