61322511476 has 48 divisors (see below), whose sum is σ = 113702400000. Its totient is φ = 28857708000.

The previous prime is 61322511449. The next prime is 61322511493. The reversal of 61322511476 is 67411522316.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11355425 + ... + 11360823.

It is an arithmetic number, because the mean of its divisors is an integer number (2368800000).

Almost surely, 2^61322511476 is an apocalyptic number.

It is an amenable number.

61322511476 is a deficient number, since it is larger than the sum of its proper divisors (52379888524).

61322511476 is a wasteful number, since it uses less digits than its factorization.

61322511476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372 (or 6370 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The spelling of 61322511476 in words is "sixty-one billion, three hundred twenty-two million, five hundred eleven thousand, four hundred seventy-six".