101243235545115 has 32 divisors (see below), whose sum is σ = 162556685706240. Its totient is φ = 53807255892096.

The previous prime is 101243235545113. The next prime is 101243235545117. The reversal of 101243235545115 is 511545532342101.

It is an interprime number because it is at equal distance from previous prime (101243235545113) and next prime (101243235545117).

It is not a de Polignac number, because 101243235545115 - 2¹ = 101243235545113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101243235545113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48011634 + ... + 50075976.

It is an arithmetic number, because the mean of its divisors is an integer number (5079896428320).

Almost surely, 2^{101243235545115} is an apocalyptic number.

101243235545115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101243235545115 is a deficient number, since it is larger than the sum of its proper divisors (61313450161125).

101243235545115 is a wasteful number, since it uses less digits than its factorization.

101243235545115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075803.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 101243235545115 its reverse (511545532342101), we get a palindrome (612788767887216).

The spelling of 101243235545115 in words is "one hundred one trillion, two hundred forty-three billion, two hundred thirty-five million, five hundred forty-five thousand, one hundred fifteen".