15551155150 has 24 divisors (see below), whose sum is σ = 30447526680. Its totient is φ = 5893068960.

The previous prime is 15551155121. The next prime is 15551155171. The reversal of 15551155150 is 5155115551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8183869 + ... + 8185768.

It is an arithmetic number, because the mean of its divisors is an integer number (1268646945).

Almost surely, 2^15551155150 is an apocalyptic number.

15551155150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15551155150 is a deficient number, since it is larger than the sum of its proper divisors (14896371530).

15551155150 is a wasteful number, since it uses less digits than its factorization.

15551155150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369668 (or 16369663 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 34.

The spelling of 15551155150 in words is "fifteen billion, five hundred fifty-one million, one hundred fifty-five thousand, one hundred fifty".