155116460209956 has 96 divisors (see below), whose sum is σ = 431921844092928. Its totient is φ = 42363256763520.

The previous prime is 155116460209897. The next prime is 155116460209957. The reversal of 155116460209956 is 659902064611551.

It is a happy number.

It is a super-2 number, since 2×155116460209956² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155116460209956.

It is not an unprimeable number, because it can be changed into a prime (155116460209957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24448315 + ... + 30132258.

It is an arithmetic number, because the mean of its divisors is an integer number (4499185875968).

Almost surely, 2^{155116460209956} is an apocalyptic number.

It is an amenable number.

155116460209956 is an abundant number, since it is smaller than the sum of its proper divisors (276805383882972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155116460209956 is a wasteful number, since it uses less digits than its factorization.

155116460209956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54582081 (or 54582079 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 60.

The spelling of 155116460209956 in words is "one hundred fifty-five trillion, one hundred sixteen billion, four hundred sixty million, two hundred nine thousand, nine hundred fifty-six".