155289109616 has 10 divisors (see below), whose sum is σ = 300872649912. Its totient is φ = 77644554800.

The previous prime is 155289109597. The next prime is 155289109669. The reversal of 155289109616 is 616901982551.

It is a super-2 number, since 2×155289109616² (a number of 23 digits) contains 22 as substring.

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, 4852784660 + ... + 4852784691.

Almost surely, 2^155289109616 is an apocalyptic number.

155289109616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155289109616 is a deficient number, since it is larger than the sum of its proper divisors (145583540296).

155289109616 is an equidigital number, since it uses as much as digits as its factorization.

155289109616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705569359 (or 9705569353 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 155289109616 in words is "one hundred fifty-five billion, two hundred eighty-nine million, one hundred nine thousand, six hundred sixteen".