61620562115 has 8 divisors (see below), whose sum is σ = 84508199520. Its totient is φ = 42254099712.

The previous prime is 61620562067. The next prime is 61620562127. The reversal of 61620562115 is 51126502616.

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

It is a cyclic number.

It is not a de Polignac number, because 61620562115 - 2⁶ = 61620562051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1760587489 = 61620562115 / (6 + 1 + 6 + 2 + 0 + 5 + 6 + 2 + 1 + 1 + 5).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880293710 + ... + 880293779.

It is an arithmetic number, because the mean of its divisors is an integer number (10563524940).

Almost surely, 2^61620562115 is an apocalyptic number.

61620562115 is a deficient number, since it is larger than the sum of its proper divisors (22887637405).

61620562115 is a wasteful number, since it uses less digits than its factorization.

61620562115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760587501.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 61620562115 in words is "sixty-one billion, six hundred twenty million, five hundred sixty-two thousand, one hundred fifteen".