1431555401155 has 16 divisors (see below), whose sum is σ = 1897758144000. Its totient is φ = 1027952321760.

The previous prime is 1431555401123. The next prime is 1431555401173. The reversal of 1431555401155 is 5511045551341.

It is not a de Polignac number, because 1431555401155 - 2⁵ = 1431555401123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164731605 + ... + 164740294.

It is an arithmetic number, because the mean of its divisors is an integer number (118609884000).

Almost surely, 2^{1431555401155} is an apocalyptic number.

1431555401155 is a deficient number, since it is larger than the sum of its proper divisors (466202742845).

1431555401155 is a wasteful number, since it uses less digits than its factorization.

1431555401155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329471994.

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 1431555401155 in words is "one trillion, four hundred thirty-one billion, five hundred fifty-five million, four hundred one thousand, one hundred fifty-five".