155132611155 has 32 divisors (see below), whose sum is σ = 292014331200. Its totient is φ = 77870486016.

The previous prime is 155132611133. The next prime is 155132611157. The reversal of 155132611155 is 551116231551.

155132611155 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 32 + 611 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 155132611155 - 2¹⁰ = 155132610131 is a prime.

It is a super-2 number, since 2×155132611155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155132611157) 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, 33795660 + ... + 33800249.

It is an arithmetic number, because the mean of its divisors is an integer number (9125447850).

Almost surely, 2^155132611155 is an apocalyptic number.

155132611155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155132611155 is a deficient number, since it is larger than the sum of its proper divisors (136881720045).

155132611155 is a wasteful number, since it uses less digits than its factorization.

155132611155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67595940 (or 67595934 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The spelling of 155132611155 in words is "one hundred fifty-five billion, one hundred thirty-two million, six hundred eleven thousand, one hundred fifty-five".