74945151000555 has 64 divisors (see below), whose sum is σ = 133869749207040. Its totient is φ = 35488223971200.

The previous prime is 74945151000539. The next prime is 74945151000637. The reversal of 74945151000555 is 55500015154947.

It is not a de Polignac number, because 74945151000555 - 2⁴ = 74945151000539 is a prime.

It is a super-2 number, since 2×74945151000555² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74945151000498 and 74945151000507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66782166 + ... + 67895124.

It is an arithmetic number, because the mean of its divisors is an integer number (2091714831360).

Almost surely, 2^{74945151000555} is an apocalyptic number.

74945151000555 is a deficient number, since it is larger than the sum of its proper divisors (58924598206485).

74945151000555 is a wasteful number, since it uses less digits than its factorization.

74945151000555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122512.

The product of its (nonzero) digits is 3150000, while the sum is 51.

The spelling of 74945151000555 in words is "seventy-four trillion, nine hundred forty-five billion, one hundred fifty-one million, five hundred fifty-five", and thus it is an aban number.