561329147042 has 16 divisors (see below), whose sum is σ = 886364700000. Its totient is φ = 265876097760.

The previous prime is 561329147003. The next prime is 561329147069. The reversal of 561329147042 is 240741923165.

It is a super-2 number, since 2×561329147042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561329146984 and 561329147002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162917 + ... + 1072007.

It is an arithmetic number, because the mean of its divisors is an integer number (55397793750).

Almost surely, 2^561329147042 is an apocalyptic number.

561329147042 is a deficient number, since it is larger than the sum of its proper divisors (325035552958).

561329147042 is a wasteful number, since it uses less digits than its factorization.

561329147042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925361.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 561329147042 in words is "five hundred sixty-one billion, three hundred twenty-nine million, one hundred forty-seven thousand, forty-two".