101155561051615 has 12 divisors (see below), whose sum is σ = 141204905631576. Its totient is φ = 69363813292368.

The previous prime is 101155561051583. The next prime is 101155561051631. The reversal of 101155561051615 is 516150165551101.

It is a happy number.

It is not a de Polignac number, because 101155561051615 - 2⁵ = 101155561051583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206439920269 + ... + 206439920758.

It is an arithmetic number, because the mean of its divisors is an integer number (11767075469298).

Almost surely, 2^{101155561051615} is an apocalyptic number.

101155561051615 is a deficient number, since it is larger than the sum of its proper divisors (40049344579961).

101155561051615 is an equidigital number, since it uses as much as digits as its factorization.

101155561051615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412879841046 (or 412879841039 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 43.

The spelling of 101155561051615 in words is "one hundred one trillion, one hundred fifty-five billion, five hundred sixty-one million, fifty-one thousand, six hundred fifteen".