155471867552 has 24 divisors (see below), whose sum is σ = 306113472756. Its totient is φ = 77728763392.

The previous prime is 155471867483. The next prime is 155471867563. The reversal of 155471867552 is 255768174551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119160278416 + 36311589136 = 345196^2 + 190556^2 .

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, 137228 + ... + 574260.

Almost surely, 2^155471867552 is an apocalyptic number.

It is an amenable number.

155471867552 is a deficient number, since it is larger than the sum of its proper divisors (150641605204).

155471867552 is a wasteful number, since it uses less digits than its factorization.

155471867552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448160 (or 448152 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 56.

The spelling of 155471867552 in words is "one hundred fifty-five billion, four hundred seventy-one million, eight hundred sixty-seven thousand, five hundred fifty-two".