401515455432545 has 16 divisors (see below), whose sum is σ = 481879472405760. Its totient is φ = 321171748990464.

The previous prime is 401515455432503. The next prime is 401515455432593. The reversal of 401515455432545 is 545234554515104.

It is a cyclic number.

It is not a de Polignac number, because 401515455432545 - 2¹⁰ = 401515455431521 is a prime.

It is a super-3 number, since 3×401515455432545³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166431672 + ... + 2166616998.

It is an arithmetic number, because the mean of its divisors is an integer number (30117467025360).

Almost surely, 2^{401515455432545} is an apocalyptic number.

It is an amenable number.

401515455432545 is a deficient number, since it is larger than the sum of its proper divisors (80364016973215).

401515455432545 is a wasteful number, since it uses less digits than its factorization.

401515455432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237784.

The product of its (nonzero) digits is 24000000, while the sum is 53.

The spelling of 401515455432545 in words is "four hundred one trillion, five hundred fifteen billion, four hundred fifty-five million, four hundred thirty-two thousand, five hundred forty-five".