1553110405542 has 24 divisors (see below), whose sum is σ = 3366092084160. Its totient is φ = 517546616400.

The previous prime is 1553110405541. The next prime is 1553110405571. The reversal of 1553110405542 is 2455040113551.

1553110405542 is a `hidden beast` number, since 1 + 5 + 5 + 3 + 1 + 104 + 0 + 5 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1553110405497 and 1553110405506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553110405541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13009942 + ... + 13128777.

It is an arithmetic number, because the mean of its divisors is an integer number (140253836840).

Almost surely, 2^{1553110405542} is an apocalyptic number.

1553110405542 is an abundant number, since it is smaller than the sum of its proper divisors (1812981678618).

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

1553110405542 is a wasteful number, since it uses less digits than its factorization.

1553110405542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26142028 (or 26142025 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 1553110405542 in words is "one trillion, five hundred fifty-three billion, one hundred ten million, four hundred five thousand, five hundred forty-two".