61058031155 has 8 divisors (see below), whose sum is σ = 79930513584. Its totient is φ = 44405840800.

The previous prime is 61058031143. The next prime is 61058031187. The reversal of 61058031155 is 55113085016.

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

It is not a de Polignac number, because 61058031155 - 2⁶ = 61058031091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555072956 + ... + 555073065.

It is an arithmetic number, because the mean of its divisors is an integer number (9991314198).

Almost surely, 2^61058031155 is an apocalyptic number.

61058031155 is a deficient number, since it is larger than the sum of its proper divisors (18872482429).

61058031155 is a wasteful number, since it uses less digits than its factorization.

61058031155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110146037.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 61058031155 in words is "sixty-one billion, fifty-eight million, thirty-one thousand, one hundred fifty-five".