155235403612 has 6 divisors (see below), whose sum is σ = 271661956328. Its totient is φ = 77617701804.

The previous prime is 155235403601. The next prime is 155235403639. The reversal of 155235403612 is 216304532551.

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, 19404425448 + ... + 19404425455.

Almost surely, 2^155235403612 is an apocalyptic number.

It is an amenable number.

155235403612 is a deficient number, since it is larger than the sum of its proper divisors (116426552716).

155235403612 is a wasteful number, since it uses less digits than its factorization.

155235403612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808850907 (or 38808850905 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 155235403612 in words is "one hundred fifty-five billion, two hundred thirty-five million, four hundred three thousand, six hundred twelve".