1025155310480 has 80 divisors (see below), whose sum is σ = 2817914641920. Its totient is φ = 339361752576.

The previous prime is 1025155310477. The next prime is 1025155310489. The reversal of 1025155310480 is 840135515201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1025155310480.

It is not an unprimeable number, because it can be changed into a prime (1025155310489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31546424 + ... + 31578903.

It is an arithmetic number, because the mean of its divisors is an integer number (35223933024).

Almost surely, 2^{1025155310480} is an apocalyptic number.

1025155310480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025155310480 is an abundant number, since it is smaller than the sum of its proper divisors (1792759331440).

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

1025155310480 is a wasteful number, since it uses less digits than its factorization.

1025155310480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63125376 (or 63125370 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 1025155310480 in words is "one trillion, twenty-five billion, one hundred fifty-five million, three hundred ten thousand, four hundred eighty".