1061861287410 has 160 divisors (see below), whose sum is σ = 3559763763072. Its totient is φ = 220646488320.

The previous prime is 1061861287391. The next prime is 1061861287411. The reversal of 1061861287410 is 147821681601.

1061861287410 is a `hidden beast` number, since 1 + 0 + 6 + 18 + 612 + 8 + 7 + 4 + 10 = 666.

It is a super-2 number, since 2×1061861287410² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1061861287411) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8450227 + ... + 8574966.

Almost surely, 2^{1061861287410} is an apocalyptic number.

1061861287410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1061861287410 is an abundant number, since it is smaller than the sum of its proper divisors (2497902475662).

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

1061861287410 is a wasteful number, since it uses less digits than its factorization.

1061861287410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025230 (or 17025221 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 1061861287410 in words is "one trillion, sixty-one billion, eight hundred sixty-one million, two hundred eighty-seven thousand, four hundred ten".