155116485461 has 8 divisors (see below), whose sum is σ = 181398681024. Its totient is φ = 129864964320.

The previous prime is 155116485449. The next prime is 155116485527. The reversal of 155116485461 is 164584611551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155116485461 - 2²⁶ = 155049376597 is a prime.

It is a super-2 number, since 2×155116485461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155196485461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257668280 + ... + 257668881.

It is an arithmetic number, because the mean of its divisors is an integer number (22674835128).

Almost surely, 2^155116485461 is an apocalyptic number.

It is an amenable number.

155116485461 is a deficient number, since it is larger than the sum of its proper divisors (26282195563).

155116485461 is an equidigital number, since it uses as much as digits as its factorization.

155116485461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515337211.

The product of its digits is 576000, while the sum is 47.

The spelling of 155116485461 in words is "one hundred fifty-five billion, one hundred sixteen million, four hundred eighty-five thousand, four hundred sixty-one".