1553125330442 has 16 divisors (see below), whose sum is σ = 2663138086080. Its totient is φ = 665465761728.

The previous prime is 1553125330439. The next prime is 1553125330483. The reversal of 1553125330442 is 2440335213551.

It is a junction number, because it is equal to n+sod(n) for n = 1553125330396 and 1553125330405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13221092 + ... + 13338047.

It is an arithmetic number, because the mean of its divisors is an integer number (166446130380).

Almost surely, 2^{1553125330442} is an apocalyptic number.

1553125330442 is a deficient number, since it is larger than the sum of its proper divisors (1110012755638).

1553125330442 is a wasteful number, since it uses less digits than its factorization.

1553125330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26563325.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1553125330442 in words is "one trillion, five hundred fifty-three billion, one hundred twenty-five million, three hundred thirty thousand, four hundred forty-two".