1010555105542 has 24 divisors (see below), whose sum is σ = 1599978888936. Its totient is φ = 478634154624.

The previous prime is 1010555105503. The next prime is 1010555105563. The reversal of 1010555105542 is 2455015550101.

It is a super-2 number, since 2×1010555105542² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010555105498 and 1010555105507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7395613 + ... + 7531015.

It is an arithmetic number, because the mean of its divisors is an integer number (66665787039).

Almost surely, 2^{1010555105542} is an apocalyptic number.

1010555105542 is a deficient number, since it is larger than the sum of its proper divisors (589423783394).

1010555105542 is a wasteful number, since it uses less digits than its factorization.

1010555105542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145780 (or 145761 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 1010555105542 in words is "one trillion, ten billion, five hundred fifty-five million, one hundred five thousand, five hundred forty-two".