155053025436431 has 16 divisors (see below), whose sum is σ = 165371277496320. Its totient is φ = 144868035358080.

The previous prime is 155053025436409. The next prime is 155053025436437. The reversal of 155053025436431 is 134634520350551.

It is a cyclic number.

It is not a de Polignac number, because 155053025436431 - 2⁴⁶ = 84684281258767 is a prime.

It is a super-3 number, since 3×155053025436431³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155053025436437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20647460 + ... + 27137126.

It is an arithmetic number, because the mean of its divisors is an integer number (10335704843520).

Almost surely, 2^{155053025436431} is an apocalyptic number.

155053025436431 is a deficient number, since it is larger than the sum of its proper divisors (10318252059889).

155053025436431 is a wasteful number, since it uses less digits than its factorization.

155053025436431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499934.

The product of its (nonzero) digits is 3240000, while the sum is 47.

Adding to 155053025436431 its reverse (134634520350551), we get a palindrome (289687545786982).

The spelling of 155053025436431 in words is "one hundred fifty-five trillion, fifty-three billion, twenty-five million, four hundred thirty-six thousand, four hundred thirty-one".