155716784241 has 8 divisors (see below), whose sum is σ = 216649439040. Its totient is φ = 99297659472.

The previous prime is 155716784191. The next prime is 155716784257. The reversal of 155716784241 is 142487617551.

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

It is not a de Polignac number, because 155716784241 - 2³¹ = 153569300593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155716744241) 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, 1128382426 + ... + 1128382563.

It is an arithmetic number, because the mean of its divisors is an integer number (27081179880).

Almost surely, 2^155716784241 is an apocalyptic number.

It is an amenable number.

155716784241 is a deficient number, since it is larger than the sum of its proper divisors (60932654799).

155716784241 is a wasteful number, since it uses less digits than its factorization.

155716784241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256765015.

The product of its digits is 1881600, while the sum is 51.

The spelling of 155716784241 in words is "one hundred fifty-five billion, seven hundred sixteen million, seven hundred eighty-four thousand, two hundred forty-one".