155512140235 has 8 divisors (see below), whose sum is σ = 197591895936. Its totient is φ = 117091493760.

The previous prime is 155512140193. The next prime is 155512140257. The reversal of 155512140235 is 532041215551.

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

It is not a de Polignac number, because 155512140235 - 2⁹ = 155512139723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155512140235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914777211 + ... + 914777380.

It is an arithmetic number, because the mean of its divisors is an integer number (24698986992).

Almost surely, 2^155512140235 is an apocalyptic number.

155512140235 is a deficient number, since it is larger than the sum of its proper divisors (42079755701).

155512140235 is a wasteful number, since it uses less digits than its factorization.

155512140235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829554613.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 155512140235 its reverse (532041215551), we get a palindrome (687553355786).

The spelling of 155512140235 in words is "one hundred fifty-five billion, five hundred twelve million, one hundred forty thousand, two hundred thirty-five".