155135813744 has 10 divisors (see below), whose sum is σ = 300575639160. Its totient is φ = 77567906864.

The previous prime is 155135813699. The next prime is 155135813753. The reversal of 155135813744 is 447318531551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4847994164 + ... + 4847994195.

It is an arithmetic number, because the mean of its divisors is an integer number (30057563916).

Almost surely, 2^155135813744 is an apocalyptic number.

It is an amenable number.

155135813744 is a deficient number, since it is larger than the sum of its proper divisors (145439825416).

155135813744 is an equidigital number, since it uses as much as digits as its factorization.

155135813744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695988367 (or 9695988361 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The spelling of 155135813744 in words is "one hundred fifty-five billion, one hundred thirty-five million, eight hundred thirteen thousand, seven hundred forty-four".