1017155254248 has 128 divisors (see below), whose sum is σ = 3340411488000. Its totient is φ = 280594540800.

The previous prime is 1017155254243. The next prime is 1017155254253. The reversal of 1017155254248 is 8424525517101.

1017155254248 is a `hidden beast` number, since 1 + 0 + 1 + 7 + 1 + 552 + 54 + 2 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (1017155254243) and next prime (1017155254253).

It is a super-2 number, since 2×1017155254248² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1017155254243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11554803 + ... + 11642498.

It is an arithmetic number, because the mean of its divisors is an integer number (26096964750).

Almost surely, 2^{1017155254248} is an apocalyptic number.

1017155254248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1017155254248 is an abundant number, since it is smaller than the sum of its proper divisors (2323256233752).

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

1017155254248 is a wasteful number, since it uses less digits than its factorization.

1017155254248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23197352 (or 23197342 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 1017155254248 in words is "one trillion, seventeen billion, one hundred fifty-five million, two hundred fifty-four thousand, two hundred forty-eight".