1451150646155 has 32 divisors (see below), whose sum is σ = 2141761668480. Its totient is φ = 921187768320.

The previous prime is 1451150646151. The next prime is 1451150646167. The reversal of 1451150646155 is 5516460511541.

It is a happy number.

It is not a de Polignac number, because 1451150646155 - 2² = 1451150646151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1451150646151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19954760 + ... + 20027349.

It is an arithmetic number, because the mean of its divisors is an integer number (66930052140).

Almost surely, 2^{1451150646155} is an apocalyptic number.

1451150646155 is a deficient number, since it is larger than the sum of its proper divisors (690611022325).

1451150646155 is a wasteful number, since it uses less digits than its factorization.

1451150646155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39982199.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 1451150646155 in words is "one trillion, four hundred fifty-one billion, one hundred fifty million, six hundred forty-six thousand, one hundred fifty-five".