315545451220655 has 8 divisors (see below), whose sum is σ = 378654751410912. Its totient is φ = 252436221012448.

The previous prime is 315545451220639. The next prime is 315545451220667. The reversal of 315545451220655 is 556022154545513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315545451220655 - 2⁴ = 315545451220639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315545451220597 and 315545451220606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7003859 + ... + 26079588.

It is an arithmetic number, because the mean of its divisors is an integer number (47331843926364).

Almost surely, 2^{315545451220655} is an apocalyptic number.

315545451220655 is a deficient number, since it is larger than the sum of its proper divisors (63109300190257).

315545451220655 is a wasteful number, since it uses less digits than its factorization.

315545451220655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34991025.

The product of its (nonzero) digits is 18000000, while the sum is 53.

The spelling of 315545451220655 in words is "three hundred fifteen trillion, five hundred forty-five billion, four hundred fifty-one million, two hundred twenty thousand, six hundred fifty-five".