102400254542355 has 128 divisors (see below), whose sum is σ = 204464606330880. Its totient is φ = 42515124687360.

The previous prime is 102400254542351. The next prime is 102400254542359. The reversal of 102400254542355 is 553245452004201.

It is an interprime number because it is at equal distance from previous prime (102400254542351) and next prime (102400254542359).

It is not a de Polignac number, because 102400254542355 - 2² = 102400254542351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102400254542351) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8449556986 + ... + 8449569104.

It is an arithmetic number, because the mean of its divisors is an integer number (1597379736960).

Almost surely, 2^{102400254542355} is an apocalyptic number.

102400254542355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102400254542355 is a deficient number, since it is larger than the sum of its proper divisors (102064351788525).

102400254542355 is a wasteful number, since it uses less digits than its factorization.

102400254542355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 102400254542355 in words is "one hundred two trillion, four hundred billion, two hundred fifty-four million, five hundred forty-two thousand, three hundred fifty-five".