1554550331153 has 2 divisors, whose sum is σ = 1554550331154. Its totient is φ = 1554550331152.

The previous prime is 1554550331141. The next prime is 1554550331171. The reversal of 1554550331153 is 3511330554551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781052947984 + 773497383169 = 883772^2 + 879487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554550331153 - 2³² = 1550255363857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1554550331153.

It is not a weakly prime, because it can be changed into another prime (1554558331153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777275165576 + 777275165577.

It is an arithmetic number, because the mean of its divisors is an integer number (777275165577).

Almost surely, 2^{1554550331153} is an apocalyptic number.

It is an amenable number.

1554550331153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1554550331153 is an equidigital number, since it uses as much as digits as its factorization.

1554550331153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 1554550331153 in words is "one trillion, five hundred fifty-four billion, five hundred fifty million, three hundred thirty-one thousand, one hundred fifty-three".