1020155152454 has 16 divisors (see below), whose sum is σ = 1532707733760. Its totient is φ = 509252736960.

The previous prime is 1020155152451. The next prime is 1020155152501. The reversal of 1020155152454 is 4542515510201.

1020155152454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020155152451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14656667 + ... + 14726105.

It is an arithmetic number, because the mean of its divisors is an integer number (95794233360).

Almost surely, 2^{1020155152454} is an apocalyptic number.

1020155152454 is a deficient number, since it is larger than the sum of its proper divisors (512552581306).

1020155152454 is a wasteful number, since it uses less digits than its factorization.

1020155152454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81215.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 1020155152454 in words is "one trillion, twenty billion, one hundred fifty-five million, one hundred fifty-two thousand, four hundred fifty-four".