63115012442155 has 8 divisors (see below), whose sum is σ = 80193192279552. Its totient is φ = 47521891721088.

The previous prime is 63115012442149. The next prime is 63115012442203. The reversal of 63115012442155 is 55124421051136.

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 63115012442155 - 2²³ = 63115004053547 is a prime.

It is a Duffinian 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, 371264778987 + ... + 371264779156.

It is an arithmetic number, because the mean of its divisors is an integer number (10024149034944).

Almost surely, 2^{63115012442155} is an apocalyptic number.

63115012442155 is a deficient number, since it is larger than the sum of its proper divisors (17078179837397).

63115012442155 is a wasteful number, since it uses less digits than its factorization.

63115012442155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742529558165.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 63115012442155 in words is "sixty-three trillion, one hundred fifteen billion, twelve million, four hundred forty-two thousand, one hundred fifty-five".