100601402155 has 32 divisors (see below), whose sum is σ = 128513028096. Its totient is φ = 75495556224.

The previous prime is 100601402123. The next prime is 100601402189. The reversal of 100601402155 is 551204106001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100601402155 - 2⁵ = 100601402123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496222 + ... + 668908.

It is an arithmetic number, because the mean of its divisors is an integer number (4016032128).

Almost surely, 2^100601402155 is an apocalyptic number.

100601402155 is a deficient number, since it is larger than the sum of its proper divisors (27911625941).

100601402155 is a wasteful number, since it uses less digits than its factorization.

100601402155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172843.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 100601402155 its reverse (551204106001), we get a palindrome (651805508156).

The spelling of 100601402155 in words is "one hundred billion, six hundred one million, four hundred two thousand, one hundred fifty-five".