1210538152655 has 8 divisors (see below), whose sum is σ = 1564387766592. Its totient is φ = 893935866528.

The previous prime is 1210538152633. The next prime is 1210538152657. The reversal of 1210538152655 is 5562518350121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210538152655 - 2¹⁰ = 1210538151631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210538152657) 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, 9311831879 + ... + 9311832008.

It is an arithmetic number, because the mean of its divisors is an integer number (195548470824).

Almost surely, 2^{1210538152655} is an apocalyptic number.

1210538152655 is a deficient number, since it is larger than the sum of its proper divisors (353849613937).

1210538152655 is a wasteful number, since it uses less digits than its factorization.

1210538152655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623663905.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 1210538152655 in words is "one trillion, two hundred ten billion, five hundred thirty-eight million, one hundred fifty-two thousand, six hundred fifty-five".