1054245255516 has 18 divisors (see below), whose sum is σ = 2664897729312. Its totient is φ = 351415085160.

The previous prime is 1054245255487. The next prime is 1054245255611. The reversal of 1054245255516 is 6155525424501.

It is a happy number.

1054245255516 is a `hidden beast` number, since 1 + 0 + 5 + 42 + 4 + 52 + 5 + 551 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1054245255516² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14642295180 + ... + 14642295251.

Almost surely, 2^{1054245255516} is an apocalyptic number.

It is an amenable number.

1054245255516 is an abundant number, since it is smaller than the sum of its proper divisors (1610652473796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054245255516 is a wasteful number, since it uses less digits than its factorization.

1054245255516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29284590441 (or 29284590436 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 1054245255516 in words is "one trillion, fifty-four billion, two hundred forty-five million, two hundred fifty-five thousand, five hundred sixteen".