1042045051455 has 32 divisors (see below), whose sum is σ = 1933069086720. Its totient is φ = 531593995680.

The previous prime is 1042045051423. The next prime is 1042045051459. The reversal of 1042045051455 is 5541505402401.

1042045051455 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 0 + 4 + 505 + 145 + 5 = 666.

It is not a de Polignac number, because 1042045051455 - 2⁵ = 1042045051423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042045051459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167798031 + ... + 167804240.

It is an arithmetic number, because the mean of its divisors is an integer number (60408408960).

Almost surely, 2^{1042045051455} is an apocalyptic number.

1042045051455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042045051455 is a deficient number, since it is larger than the sum of its proper divisors (891024035265).

1042045051455 is a wasteful number, since it uses less digits than its factorization.

1042045051455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335602308 (or 335602302 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1042045051455 in words is "one trillion, forty-two billion, forty-five million, fifty-one thousand, four hundred fifty-five".