157775655181218 has 16 divisors (see below), whose sum is σ = 316579164797280. Its totient is φ = 52420575987936.

The previous prime is 157775655181093. The next prime is 157775655181219. The reversal of 157775655181218 is 812181556577751.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157775655181219) 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, 42827266123 + ... + 42827269806.

It is an arithmetic number, because the mean of its divisors is an integer number (19786197799830).

Almost surely, 2^{157775655181218} is an apocalyptic number.

157775655181218 is an abundant number, since it is smaller than the sum of its proper divisors (158803509616062).

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

157775655181218 is a wasteful number, since it uses less digits than its factorization.

157775655181218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85654536241.

The product of its digits is 164640000, while the sum is 69.

The spelling of 157775655181218 in words is "one hundred fifty-seven trillion, seven hundred seventy-five billion, six hundred fifty-five million, one hundred eighty-one thousand, two hundred eighteen".