1552450405511 has 4 divisors (see below), whose sum is σ = 1552456419024. Its totient is φ = 1552444392000.

The previous prime is 1552450405439. The next prime is 1552450405523. The reversal of 1552450405511 is 1155040542551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552450405511 - 2³⁸ = 1277572498567 is a prime.

It is a super-2 number, since 2×1552450405511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552450405531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601290 + ... + 3141911.

It is an arithmetic number, because the mean of its divisors is an integer number (388114104756).

Almost surely, 2^{1552450405511} is an apocalyptic number.

1552450405511 is a deficient number, since it is larger than the sum of its proper divisors (6013513).

1552450405511 is an equidigital number, since it uses as much as digits as its factorization.

1552450405511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013512.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 1552450405511 in words is "one trillion, five hundred fifty-two billion, four hundred fifty million, four hundred five thousand, five hundred eleven".