1002151554255 has 24 divisors (see below), whose sum is σ = 1828487047920. Its totient is φ = 506350258560.

The previous prime is 1002151554253. The next prime is 1002151554269. The reversal of 1002151554255 is 5524551512001.

1002151554255 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 1 + 51 + 554 + 2 + 55 = 666.

It is not a de Polignac number, because 1002151554255 - 2¹ = 1002151554253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002151554253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 586052686 + ... + 586054395.

It is an arithmetic number, because the mean of its divisors is an integer number (76186960330).

Almost surely, 2^{1002151554255} is an apocalyptic number.

1002151554255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002151554255 is a deficient number, since it is larger than the sum of its proper divisors (826335493665).

1002151554255 is a wasteful number, since it uses less digits than its factorization.

1002151554255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172107111 (or 1172107108 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 1002151554255 in words is "one trillion, two billion, one hundred fifty-one million, five hundred fifty-four thousand, two hundred fifty-five".