7561234468406 has 16 divisors (see below), whose sum is σ = 11491154035200. Its totient is φ = 3730897578408.

The previous prime is 7561234468387. The next prime is 7561234468409. The reversal of 7561234468406 is 6048644321657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7561234468409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11629586 + ... + 12262533.

It is an arithmetic number, because the mean of its divisors is an integer number (718197127200).

Almost surely, 2^{7561234468406} is an apocalyptic number.

7561234468406 is a deficient number, since it is larger than the sum of its proper divisors (3929919566794).

7561234468406 is a wasteful number, since it uses less digits than its factorization.

7561234468406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23894203.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 7561234468406 in words is "seven trillion, five hundred sixty-one billion, two hundred thirty-four million, four hundred sixty-eight thousand, four hundred six".