155201030127 has 32 divisors (see below), whose sum is σ = 270124565760. Its totient is φ = 86825748960.

The previous prime is 155201030093. The next prime is 155201030141. The reversal of 155201030127 is 721030102551.

155201030127 is a `hidden beast` number, since 1 + 5 + 520 + 10 + 3 + 0 + 127 = 666.

It is not a de Polignac number, because 155201030127 - 2⁸ = 155201029871 is a prime.

It is a super-2 number, since 2×155201030127² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 155201030127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155201030527) 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, 20094693 + ... + 20102414.

It is an arithmetic number, because the mean of its divisors is an integer number (8441392680).

Almost surely, 2^155201030127 is an apocalyptic number.

155201030127 is a deficient number, since it is larger than the sum of its proper divisors (114923535633).

155201030127 is a wasteful number, since it uses less digits than its factorization.

155201030127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40197140 (or 40197134 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

Adding to 155201030127 its reverse (721030102551), we get a palindrome (876231132678).

The spelling of 155201030127 in words is "one hundred fifty-five billion, two hundred one million, thirty thousand, one hundred twenty-seven".