5400532123551 has 24 divisors (see below), whose sum is σ = 7853434863456. Its totient is φ = 3576053361600.

The previous prime is 5400532123541. The next prime is 5400532123579. The reversal of 5400532123551 is 1553212350045.

5400532123551 is a `hidden beast` number, since 5 + 40 + 0 + 53 + 2 + 12 + 3 + 551 = 666.

It is not a de Polignac number, because 5400532123551 - 2⁹ = 5400532123039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400532123541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10530481 + ... + 11031413.

It is an arithmetic number, because the mean of its divisors is an integer number (327226452644).

Almost surely, 2^{5400532123551} is an apocalyptic number.

5400532123551 is a deficient number, since it is larger than the sum of its proper divisors (2452902739905).

5400532123551 is a wasteful number, since it uses less digits than its factorization.

5400532123551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509023 (or 509020 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 5400532123551 its reverse (1553212350045), we get a palindrome (6953744473596).

The spelling of 5400532123551 in words is "five trillion, four hundred billion, five hundred thirty-two million, one hundred twenty-three thousand, five hundred fifty-one".