1012155635063 has 8 divisors (see below), whose sum is σ = 1038678862848. Its totient is φ = 985768076664.

The previous prime is 1012155634981. The next prime is 1012155635081. The reversal of 1012155635063 is 3605365512101.

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 1012155635063 - 2²⁶ = 1012088526199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012155635083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33902231 + ... + 33932072.

It is an arithmetic number, because the mean of its divisors is an integer number (129834857856).

Almost surely, 2^{1012155635063} is an apocalyptic number.

1012155635063 is a deficient number, since it is larger than the sum of its proper divisors (26523227785).

1012155635063 is an equidigital number, since it uses as much as digits as its factorization.

1012155635063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67834693.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 1012155635063 in words is "one trillion, twelve billion, one hundred fifty-five million, six hundred thirty-five thousand, sixty-three".