61475401011 has 8 divisors (see below), whose sum is σ = 82510031104. Its totient is φ = 40712185800.

The previous prime is 61475400947. The next prime is 61475401021. The reversal of 61475401011 is 11010457416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61475401011 - 2⁶ = 61475400947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61475401011.

It is not an unprimeable number, because it can be changed into a prime (61475401021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67853191 + ... + 67854096.

It is an arithmetic number, because the mean of its divisors is an integer number (10313753888).

Almost surely, 2^61475401011 is an apocalyptic number.

61475401011 is a deficient number, since it is larger than the sum of its proper divisors (21034630093).

61475401011 is a wasteful number, since it uses less digits than its factorization.

61475401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135707441.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 61475401011 its reverse (11010457416), we get a palindrome (72485858427).

The spelling of 61475401011 in words is "sixty-one billion, four hundred seventy-five million, four hundred one thousand, eleven".