155341163501 has 4 divisors (see below), whose sum is σ = 156766311900. Its totient is φ = 153916015104.

The previous prime is 155341163479. The next prime is 155341163519. The reversal of 155341163501 is 105361143551.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64409364100 + 90931799401 = 253790^2 + 301549^2 .

It is a cyclic number.

It is not a de Polignac number, because 155341163501 - 2⁶ = 155341163437 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 (155341163521) 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, 712574036 + ... + 712574253.

It is an arithmetic number, because the mean of its divisors is an integer number (39191577975).

Almost surely, 2^155341163501 is an apocalyptic number.

It is an amenable number.

155341163501 is a deficient number, since it is larger than the sum of its proper divisors (1425148399).

155341163501 is a wasteful number, since it uses less digits than its factorization.

155341163501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425148398.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 155341163501 in words is "one hundred fifty-five billion, three hundred forty-one million, one hundred sixty-three thousand, five hundred one".