1015061600550 has 48 divisors (see below), whose sum is σ = 2517716480832. Its totient is φ = 270643984800.

The previous prime is 1015061600489. The next prime is 1015061600593. The reversal of 1015061600550 is 550061605101.

1015061600550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1015061600550² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560277 + ... + 1531023.

It is an arithmetic number, because the mean of its divisors is an integer number (52452426684).

Almost surely, 2^{1015061600550} is an apocalyptic number.

1015061600550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1015061600550 is an abundant number, since it is smaller than the sum of its proper divisors (1502654880282).

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

1015061600550 is a wasteful number, since it uses less digits than its factorization.

1015061600550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977733 (or 977728 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 1015061600550 in words is "one trillion, fifteen billion, sixty-one million, six hundred thousand, five hundred fifty".