101155555401 has 8 divisors (see below), whose sum is σ = 137160075360. Its totient is φ = 66294036192.

The previous prime is 101155555387. The next prime is 101155555483. The reversal of 101155555401 is 104555551101.

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

It is not a de Polignac number, because 101155555401 - 2¹⁷ = 101155424329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101155555801) 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, 285749980 + ... + 285750333.

It is an arithmetic number, because the mean of its divisors is an integer number (17145009420).

Almost surely, 2^101155555401 is an apocalyptic number.

It is an amenable number.

101155555401 is a deficient number, since it is larger than the sum of its proper divisors (36004519959).

101155555401 is an equidigital number, since it uses as much as digits as its factorization.

101155555401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571500375.

The product of its (nonzero) digits is 12500, while the sum is 33.

The spelling of 101155555401 in words is "one hundred one billion, one hundred fifty-five million, five hundred fifty-five thousand, four hundred one".