61055106551615 has 16 divisors (see below), whose sum is σ = 80673663312000. Its totient is φ = 43988725871520.

The previous prime is 61055106551581. The next prime is 61055106551627. The reversal of 61055106551615 is 51615560155016.

It is not a de Polignac number, because 61055106551615 - 2¹⁶ = 61055106486079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61055106551615.

It is a congruent number.

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, 5187343865 + ... + 5187355634.

It is an arithmetic number, because the mean of its divisors is an integer number (5042103957000).

Almost surely, 2^{61055106551615} is an apocalyptic number.

61055106551615 is a deficient number, since it is larger than the sum of its proper divisors (19618556760385).

61055106551615 is a wasteful number, since it uses less digits than its factorization.

61055106551615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374699622.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 61055106551615 in words is "sixty-one trillion, fifty-five billion, one hundred six million, five hundred fifty-one thousand, six hundred fifteen".