61060015454 has 4 divisors (see below), whose sum is σ = 91590023184. Its totient is φ = 30530007726.

The previous prime is 61060015433. The next prime is 61060015469. The reversal of 61060015454 is 45451006016.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×61060015454² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61060015454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265003862 + ... + 15265003865.

It is an arithmetic number, because the mean of its divisors is an integer number (22897505796).

Almost surely, 2^61060015454 is an apocalyptic number.

61060015454 is a deficient number, since it is larger than the sum of its proper divisors (30530007730).

61060015454 is a wasteful number, since it uses less digits than its factorization.

61060015454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530007729.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 61060015454 in words is "sixty-one billion, sixty million, fifteen thousand, four hundred fifty-four".