1053505401551 has 2 divisors, whose sum is σ = 1053505401552. Its totient is φ = 1053505401550.

The previous prime is 1053505401511. The next prime is 1053505401581. The reversal of 1053505401551 is 1551045053501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1053505401551 - 2¹⁰ = 1053505400527 is a prime.

It is a super-2 number, since 2×1053505401551² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053505401511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526752700775 + 526752700776.

It is an arithmetic number, because the mean of its divisors is an integer number (526752700776).

Almost surely, 2^{1053505401551} is an apocalyptic number.

1053505401551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053505401551 is an equidigital number, since it uses as much as digits as its factorization.

1053505401551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 1053505401551 in words is "one trillion, fifty-three billion, five hundred five million, four hundred one thousand, five hundred fifty-one".