1553030455157 has 2 divisors, whose sum is σ = 1553030455158. Its totient is φ = 1553030455156.

The previous prime is 1553030455129. The next prime is 1553030455289. The reversal of 1553030455157 is 7515540303551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1538011707556 + 15018747601 = 1240166^2 + 122551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553030455157 - 2⁸ = 1553030454901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553030455357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776515227578 + 776515227579.

It is an arithmetic number, because the mean of its divisors is an integer number (776515227579).

Almost surely, 2^{1553030455157} is an apocalyptic number.

It is an amenable number.

1553030455157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553030455157 is an equidigital number, since it uses as much as digits as its factorization.

1553030455157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 44.

The spelling of 1553030455157 in words is "one trillion, five hundred fifty-three billion, thirty million, four hundred fifty-five thousand, one hundred fifty-seven".