61112455570 has 32 divisors (see below), whose sum is σ = 116854372800. Its totient is φ = 22945934016.

The previous prime is 61112455549. The next prime is 61112455597. The reversal of 61112455570 is 7555421116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454724 + ... + 1496143.

It is an arithmetic number, because the mean of its divisors is an integer number (3651699150).

Almost surely, 2^61112455570 is an apocalyptic number.

61112455570 is a deficient number, since it is larger than the sum of its proper divisors (55741917230).

61112455570 is a wasteful number, since it uses less digits than its factorization.

61112455570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951002.

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 61112455570 its reverse (7555421116), we get a palindrome (68667876686).

The spelling of 61112455570 in words is "sixty-one billion, one hundred twelve million, four hundred fifty-five thousand, five hundred seventy".