155401700017 has 8 divisors (see below), whose sum is σ = 164066146400. Its totient is φ = 146785794624.

The previous prime is 155401699987. The next prime is 155401700081. The reversal of 155401700017 is 710007104551.

It is a happy number.

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 155401700017 - 2¹⁹ = 155401175729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155401700117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12128667 + ... + 12141472.

It is an arithmetic number, because the mean of its divisors is an integer number (20508268300).

Almost surely, 2^155401700017 is an apocalyptic number.

It is an amenable number.

155401700017 is a deficient number, since it is larger than the sum of its proper divisors (8664446383).

155401700017 is a wasteful number, since it uses less digits than its factorization.

155401700017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24270495.

The product of its (nonzero) digits is 4900, while the sum is 31.

Adding to 155401700017 its reverse (710007104551), we get a palindrome (865408804568).

The spelling of 155401700017 in words is "one hundred fifty-five billion, four hundred one million, seven hundred thousand, seventeen".