1355206312432 has 80 divisors (see below), whose sum is σ = 3131681559552. Its totient is φ = 555479907840.

The previous prime is 1355206312403. The next prime is 1355206312457. The reversal of 1355206312432 is 2342136025531.

It is a junction number, because it is equal to n+sod(n) for n = 1355206312391 and 1355206312400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23482332 + ... + 23539972.

Almost surely, 2^{1355206312432} is an apocalyptic number.

It is an amenable number.

1355206312432 is an abundant number, since it is smaller than the sum of its proper divisors (1776475247120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355206312432 is a wasteful number, since it uses less digits than its factorization.

1355206312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66806 (or 66800 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 1355206312432 in words is "one trillion, three hundred fifty-five billion, two hundred six million, three hundred twelve thousand, four hundred thirty-two".