155101621516 has 12 divisors (see below), whose sum is σ = 272927440240. Its totient is φ = 77122352880.

The previous prime is 155101621487. The next prime is 155101621573. The reversal of 155101621516 is 615126101551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107113656 + ... + 107115103.

Almost surely, 2^155101621516 is an apocalyptic number.

It is an amenable number.

155101621516 is a deficient number, since it is larger than the sum of its proper divisors (117825818724).

155101621516 is a wasteful number, since it uses less digits than its factorization.

155101621516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214228944 (or 214228942 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

The spelling of 155101621516 in words is "one hundred fifty-five billion, one hundred one million, six hundred twenty-one thousand, five hundred sixteen".