155612052556435 has 4 divisors (see below), whose sum is σ = 186734463067728. Its totient is φ = 124489642045144.

The previous prime is 155612052556427. The next prime is 155612052556459. The reversal of 155612052556435 is 534655250216551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155612052556435 - 2³ = 155612052556427 is a prime.

It is a super-2 number, since 2×155612052556435² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15561205255639 + ... + 15561205255648.

It is an arithmetic number, because the mean of its divisors is an integer number (46683615766932).

Almost surely, 2^{155612052556435} is an apocalyptic number.

155612052556435 is a deficient number, since it is larger than the sum of its proper divisors (31122410511293).

155612052556435 is an equidigital number, since it uses as much as digits as its factorization.

155612052556435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31122410511292.

The product of its (nonzero) digits is 27000000, while the sum is 55.

The spelling of 155612052556435 in words is "one hundred fifty-five trillion, six hundred twelve billion, fifty-two million, five hundred fifty-six thousand, four hundred thirty-five".