74215555151 has 12 divisors (see below), whose sum is σ = 75377519280. Its totient is φ = 73071250560.

The previous prime is 74215555097. The next prime is 74215555199. The reversal of 74215555151 is 15155551247.

It is not a de Polignac number, because 74215555151 - 2⁶ = 74215555087 is a prime.

It is a super-2 number, since 2×74215555151² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74215555099 and 74215555108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74215557151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15085070 + ... + 15089988.

It is an arithmetic number, because the mean of its divisors is an integer number (6281459940).

Almost surely, 2^74215555151 is an apocalyptic number.

74215555151 is a deficient number, since it is larger than the sum of its proper divisors (1161964129).

74215555151 is an equidigital number, since it uses as much as digits as its factorization.

74215555151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414 (or 8347 counting only the distinct ones).

The product of its digits is 175000, while the sum is 41.

The spelling of 74215555151 in words is "seventy-four billion, two hundred fifteen million, five hundred fifty-five thousand, one hundred fifty-one".