2466782109561 has 32 divisors (see below), whose sum is σ = 4106013566976. Its totient is φ = 1279761264000.

The previous prime is 2466782109553. The next prime is 2466782109569. The reversal of 2466782109561 is 1659012876642.

It is an interprime number because it is at equal distance from previous prime (2466782109553) and next prime (2466782109569).

It is not a de Polignac number, because 2466782109561 - 2³ = 2466782109553 is a prime.

It is a super-2 number, since 2×2466782109561² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2466782109569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6840445 + ... + 7192026.

It is an arithmetic number, because the mean of its divisors is an integer number (128312923968).

Almost surely, 2^{2466782109561} is an apocalyptic number.

2466782109561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2466782109561 is a deficient number, since it is larger than the sum of its proper divisors (1639231457415).

2466782109561 is a wasteful number, since it uses less digits than its factorization.

2466782109561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14033253.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 2466782109561 in words is "two trillion, four hundred sixty-six billion, seven hundred eighty-two million, one hundred nine thousand, five hundred sixty-one".