561355401154 has 32 divisors (see below), whose sum is σ = 852316286976. Its totient is φ = 277271850960.

The previous prime is 561355401151. The next prime is 561355401199. The reversal of 561355401154 is 451104553165.

It is not an unprimeable number, because it can be changed into a prime (561355401151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 69410499 + ... + 69418585.

It is an arithmetic number, because the mean of its divisors is an integer number (26634883968).

Almost surely, 2^561355401154 is an apocalyptic number.

561355401154 is a deficient number, since it is larger than the sum of its proper divisors (290960885822).

561355401154 is a wasteful number, since it uses less digits than its factorization.

561355401154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 561355401154 in words is "five hundred sixty-one billion, three hundred fifty-five million, four hundred one thousand, one hundred fifty-four".