155555463247 has 8 divisors (see below), whose sum is σ = 155647756800. Its totient is φ = 155463204120.

The previous prime is 155555463199. The next prime is 155555463289. The reversal of 155555463247 is 742364555551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155555463247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155555463194 and 155555463203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155555461247) 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, 18204258 + ... + 18212800.

It is an arithmetic number, because the mean of its divisors is an integer number (19455969600).

Almost surely, 2^155555463247 is an apocalyptic number.

155555463247 is a deficient number, since it is larger than the sum of its proper divisors (92293553).

155555463247 is an equidigital number, since it uses as much as digits as its factorization.

155555463247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213.

The product of its digits is 12600000, while the sum is 52.

The spelling of 155555463247 in words is "one hundred fifty-five billion, five hundred fifty-five million, four hundred sixty-three thousand, two hundred forty-seven".