42004057251451 has 4 divisors (see below), whose sum is σ = 42004139904504. Its totient is φ = 42003974598400.

The previous prime is 42004057251437. The next prime is 42004057251461. The reversal of 42004057251451 is 15415275040024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42004057251451 - 2⁴¹ = 39805033995899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42004057251461) 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, 40559485 + ... + 41582206.

It is an arithmetic number, because the mean of its divisors is an integer number (10501034976126).

Almost surely, 2^{42004057251451} is an apocalyptic number.

42004057251451 is a deficient number, since it is larger than the sum of its proper divisors (82653053).

42004057251451 is an equidigital number, since it uses as much as digits as its factorization.

42004057251451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82653052.

The product of its (nonzero) digits is 224000, while the sum is 40.

The spelling of 42004057251451 in words is "forty-two trillion, four billion, fifty-seven million, two hundred fifty-one thousand, four hundred fifty-one".