61005051107 has 48 divisors (see below), whose sum is σ = 84197975904. Its totient is φ = 43444800000.

The previous prime is 61005051101. The next prime is 61005051113. The reversal of 61005051107 is 70115050016.

It is an interprime number because it is at equal distance from previous prime (61005051101) and next prime (61005051113).

It is not a de Polignac number, because 61005051107 - 2²⁶ = 60937942243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61005051101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 664607 + ... + 750807.

It is an arithmetic number, because the mean of its divisors is an integer number (1754124498).

Almost surely, 2^61005051107 is an apocalyptic number.

61005051107 is a deficient number, since it is larger than the sum of its proper divisors (23192924797).

61005051107 is a wasteful number, since it uses less digits than its factorization.

61005051107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86340 (or 86333 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The spelling of 61005051107 in words is "sixty-one billion, five million, fifty-one thousand, one hundred seven".