2651181094540 has 24 divisors (see below), whose sum is σ = 6073614871632. Its totient is φ = 964065852480.

The previous prime is 2651181094511. The next prime is 2651181094567. The reversal of 2651181094540 is 454901811562.

It is a super-2 number, since 2×2651181094540² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6025411359 + ... + 6025411798.

It is an arithmetic number, because the mean of its divisors is an integer number (253067286318).

Almost surely, 2^{2651181094540} is an apocalyptic number.

2651181094540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651181094540 is an abundant number, since it is smaller than the sum of its proper divisors (3422433777092).

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

2651181094540 is a wasteful number, since it uses less digits than its factorization.

2651181094540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050823177 (or 12050823175 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 2651181094540 in words is "two trillion, six hundred fifty-one billion, one hundred eighty-one million, ninety-four thousand, five hundred forty".