103061561550 has 48 divisors (see below), whose sum is σ = 264406224240. Its totient is φ = 26535389440.

The previous prime is 103061561527. The next prime is 103061561573. The reversal of 103061561550 is 55165160301.

It is an interprime number because it is at equal distance from previous prime (103061561527) and next prime (103061561573).

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 23 ways as a sum of consecutive naturals, for example, 11841807 + ... + 11850506.

It is an arithmetic number, because the mean of its divisors is an integer number (5508463005).

Almost surely, 2^103061561550 is an apocalyptic number.

103061561550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103061561550 is an abundant number, since it is smaller than the sum of its proper divisors (161344662690).

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

103061561550 is a wasteful number, since it uses less digits than its factorization.

103061561550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23692357 (or 23692352 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 103061561550 in words is "one hundred three billion, sixty-one million, five hundred sixty-one thousand, five hundred fifty".