354540431105515 has 24 divisors (see below), whose sum is σ = 451963508732640. Its totient is φ = 266938362375168.

The previous prime is 354540431105513. The next prime is 354540431105569. The reversal of 354540431105515 is 515501134045453.

It is not a de Polignac number, because 354540431105515 - 2¹ = 354540431105513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354540431105513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35323074 + ... + 44235736.

It is an arithmetic number, because the mean of its divisors is an integer number (18831812863860).

Almost surely, 2^{354540431105515} is an apocalyptic number.

354540431105515 is a deficient number, since it is larger than the sum of its proper divisors (97423077627125).

354540431105515 is a wasteful number, since it uses less digits than its factorization.

354540431105515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940231 (or 8940214 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 354540431105515 in words is "three hundred fifty-four trillion, five hundred forty billion, four hundred thirty-one million, one hundred five thousand, five hundred fifteen".