1481170779648 has 200 divisors, whose sum is σ = 5052463584432. Its totient is φ = 423191568384.

The previous prime is 1481170779643. The next prime is 1481170779653. The reversal of 1481170779648 is 8469770711841.

It is an interprime number because it is at equal distance from previous prime (1481170779643) and next prime (1481170779653).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481170779643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2260765 + ... + 2841372.

Almost surely, 2^{1481170779648} is an apocalyptic number.

1481170779648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1481170779648 is an abundant number, since it is smaller than the sum of its proper divisors (3571292804784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1481170779648 is an frugal number, since it uses more digits than its factorization.

1481170779648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102174 (or 5102149 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 63.

The spelling of 1481170779648 in words is "one trillion, four hundred eighty-one billion, one hundred seventy million, seven hundred seventy-nine thousand, six hundred forty-eight".