155771537352 has 32 divisors (see below), whose sum is σ = 389658156000. Its totient is φ = 51893270784.

The previous prime is 155771537321. The next prime is 155771537359. The reversal of 155771537352 is 253735177551.

It is a junction number, because it is equal to n+sod(n) for n = 155771537295 and 155771537304.

It is not an unprimeable number, because it can be changed into a prime (155771537359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869313 + ... + 1950864.

It is an arithmetic number, because the mean of its divisors is an integer number (12176817375).

Almost surely, 2^155771537352 is an apocalyptic number.

155771537352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155771537352 is an abundant number, since it is smaller than the sum of its proper divisors (233886618648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155771537352 is a wasteful number, since it uses less digits than its factorization.

155771537352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821885 (or 3821881 counting only the distinct ones).

The product of its digits is 3858750, while the sum is 51.

The spelling of 155771537352 in words is "one hundred fifty-five billion, seven hundred seventy-one million, five hundred thirty-seven thousand, three hundred fifty-two".