1305053166542 has 16 divisors (see below), whose sum is σ = 2077799325120. Its totient is φ = 612641088768.

The previous prime is 1305053166433. The next prime is 1305053166553. The reversal of 1305053166542 is 2456613505031.

It is a super-3 number, since 3×1305053166542³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1305053166542.

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, 46910198 + ... + 46938009.

It is an arithmetic number, because the mean of its divisors is an integer number (129862457820).

Almost surely, 2^{1305053166542} is an apocalyptic number.

1305053166542 is a deficient number, since it is larger than the sum of its proper divisors (772746158578).

1305053166542 is a wasteful number, since it uses less digits than its factorization.

1305053166542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93848635.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 1305053166542 in words is "one trillion, three hundred five billion, fifty-three million, one hundred sixty-six thousand, five hundred forty-two".