75561497006 has 16 divisors (see below), whose sum is σ = 114834513024. Its totient is φ = 37284331704.

The previous prime is 75561496993. The next prime is 75561497021. The reversal of 75561497006 is 60079416557.

It is a congruent number.

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, 100370 + ... + 401493.

It is an arithmetic number, because the mean of its divisors is an integer number (7177157064).

Almost surely, 2^75561497006 is an apocalyptic number.

75561497006 is a deficient number, since it is larger than the sum of its proper divisors (39273016018).

75561497006 is a wasteful number, since it uses less digits than its factorization.

75561497006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502855.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 75561497006 in words is "seventy-five billion, five hundred sixty-one million, four hundred ninety-seven thousand, six".