133545253555 has 32 divisors (see below), whose sum is σ = 191645687808. Its totient is φ = 87405868800.

The previous prime is 133545253463. The next prime is 133545253573. The reversal of 133545253555 is 555352545331.

It is not a de Polignac number, because 133545253555 - 2⁹ = 133545253043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763831 + ... + 922240.

It is an arithmetic number, because the mean of its divisors is an integer number (5988927744).

Almost surely, 2^133545253555 is an apocalyptic number.

133545253555 is a deficient number, since it is larger than the sum of its proper divisors (58100434253).

133545253555 is a wasteful number, since it uses less digits than its factorization.

133545253555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686187.

The product of its digits is 3375000, while the sum is 46.

Adding to 133545253555 its reverse (555352545331), we get a palindrome (688897798886).

The spelling of 133545253555 in words is "one hundred thirty-three billion, five hundred forty-five million, two hundred fifty-three thousand, five hundred fifty-five".