503431340111545 has 16 divisors (see below), whose sum is σ = 609766647608448. Its totient is φ = 398979083804800.

The previous prime is 503431340111543. The next prime is 503431340111587. The reversal of 503431340111545 is 545111043134305.

It is not a de Polignac number, because 503431340111545 - 2¹ = 503431340111543 is a prime.

It is a super-2 number, since 2×503431340111545² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503431340111498 and 503431340111507.

It is not an unprimeable number, because it can be changed into a prime (503431340111543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108445317 + ... + 112992253.

It is an arithmetic number, because the mean of its divisors is an integer number (38110415475528).

Almost surely, 2^{503431340111545} is an apocalyptic number.

It is an amenable number.

503431340111545 is a deficient number, since it is larger than the sum of its proper divisors (106335307496903).

503431340111545 is a wasteful number, since it uses less digits than its factorization.

503431340111545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754000.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 503431340111545 in words is "five hundred three trillion, four hundred thirty-one billion, three hundred forty million, one hundred eleven thousand, five hundred forty-five".