155351480587811 has 4 divisors (see below), whose sum is σ = 155362233802272. Its totient is φ = 155340727373352.

The previous prime is 155351480587801. The next prime is 155351480587829. The reversal of 155351480587811 is 118785084153551.

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 155351480587811 - 2¹⁸ = 155351480325667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155351480587801) 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, 5376585560 + ... + 5376614453.

It is an arithmetic number, because the mean of its divisors is an integer number (38840558450568).

Almost surely, 2^{155351480587811} is an apocalyptic number.

155351480587811 is a deficient number, since it is larger than the sum of its proper divisors (10753214461).

155351480587811 is a wasteful number, since it uses less digits than its factorization.

155351480587811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753214460.

The product of its (nonzero) digits is 26880000, while the sum is 62.

The spelling of 155351480587811 in words is "one hundred fifty-five trillion, three hundred fifty-one billion, four hundred eighty million, five hundred eighty-seven thousand, eight hundred eleven".