1553131144144 has 10 divisors (see below), whose sum is σ = 3009191591810. Its totient is φ = 776565572064.

The previous prime is 1553131144139. The next prime is 1553131144157. The reversal of 1553131144144 is 4414411313551.

It can be written as a sum of positive squares in only one way, i.e., 1547506144144 + 5625000000 = 1243988^2 + 75000^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48535348239 + ... + 48535348270.

It is an arithmetic number, because the mean of its divisors is an integer number (300919159181).

Almost surely, 2^{1553131144144} is an apocalyptic number.

It is an amenable number.

1553131144144 is a deficient number, since it is larger than the sum of its proper divisors (1456060447666).

1553131144144 is an equidigital number, since it uses as much as digits as its factorization.

1553131144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97070696517 (or 97070696511 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

Adding to 1553131144144 its reverse (4414411313551), we get a palindrome (5967542457695).

The spelling of 1553131144144 in words is "one trillion, five hundred fifty-three billion, one hundred thirty-one million, one hundred forty-four thousand, one hundred forty-four".