1561055001150 has 24 divisors (see below), whose sum is σ = 3871416403224. Its totient is φ = 416281333600.

The previous prime is 1561055001139. The next prime is 1561055001193. The reversal of 1561055001150 is 511005501651.

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

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, 5203516521 + ... + 5203516820.

It is an arithmetic number, because the mean of its divisors is an integer number (161309016801).

Almost surely, 2^{1561055001150} is an apocalyptic number.

1561055001150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1561055001150 is an abundant number, since it is smaller than the sum of its proper divisors (2310361402074).

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

1561055001150 is a wasteful number, since it uses less digits than its factorization.

1561055001150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407033356 (or 10407033351 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1561055001150 in words is "one trillion, five hundred sixty-one billion, fifty-five million, one thousand, one hundred fifty".