155837738552 has 16 divisors (see below), whose sum is σ = 292422463200. Its totient is φ = 77858415040.

The previous prime is 155837738531. The next prime is 155837738569. The reversal of 155837738552 is 255837738551.

155837738552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155837738491 and 155837738500.

It is a congruent number.

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, 7545824 + ... + 7566447.

It is an arithmetic number, because the mean of its divisors is an integer number (18276403950).

Almost surely, 2^155837738552 is an apocalyptic number.

It is an amenable number.

155837738552 is a deficient number, since it is larger than the sum of its proper divisors (136584724648).

155837738552 is a wasteful number, since it uses less digits than its factorization.

155837738552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113566 (or 15113562 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 59.

Subtracting 155837738552 from its reverse (255837738551), we obtain a palindrome (99999999999).

The spelling of 155837738552 in words is "one hundred fifty-five billion, eight hundred thirty-seven million, seven hundred thirty-eight thousand, five hundred fifty-two".