155341000531 has 4 divisors (see below), whose sum is σ = 159129805464. Its totient is φ = 151552195600.

The previous prime is 155341000483. The next prime is 155341000543. The reversal of 155341000531 is 135000143551.

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 155341000531 - 2¹⁹ = 155340476243 is a prime.

It is a super-2 number, since 2×155341000531² (a number of 23 digits) contains 22 as substring.

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 155341000531.

It is not an unprimeable number, because it can be changed into a prime (155341000561) 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, 1894402405 + ... + 1894402486.

It is an arithmetic number, because the mean of its divisors is an integer number (39782451366).

Almost surely, 2^155341000531 is an apocalyptic number.

155341000531 is a deficient number, since it is larger than the sum of its proper divisors (3788804933).

155341000531 is an equidigital number, since it uses as much as digits as its factorization.

155341000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788804932.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 155341000531 in words is "one hundred fifty-five billion, three hundred forty-one million, five hundred thirty-one", and thus it is an aban number.