155315622156107 has 4 divisors (see below), whose sum is σ = 177503568178416. Its totient is φ = 133127676133800.

The previous prime is 155315622155989. The next prime is 155315622156109. The reversal of 155315622156107 is 701651226513551.

155315622156107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155315622156107 - 2¹⁴ = 155315622139723 is a prime.

It is a super-3 number, since 3×155315622156107³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155315622156109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11093973011144 + ... + 11093973011157.

It is an arithmetic number, because the mean of its divisors is an integer number (44375892044604).

Almost surely, 2^{155315622156107} is an apocalyptic number.

155315622156107 is a deficient number, since it is larger than the sum of its proper divisors (22187946022309).

155315622156107 is an equidigital number, since it uses as much as digits as its factorization.

155315622156107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22187946022308.

The product of its (nonzero) digits is 1890000, while the sum is 50.

Adding to 155315622156107 its reverse (701651226513551), we get a palindrome (856966848669658).

The spelling of 155315622156107 in words is "one hundred fifty-five trillion, three hundred fifteen billion, six hundred twenty-two million, one hundred fifty-six thousand, one hundred seven".