1020253520151 has 28 divisors (see below), whose sum is σ = 1530053039592. Its totient is φ = 680003373456.

The previous prime is 1020253520141. The next prime is 1020253520173. The reversal of 1020253520151 is 1510253520201.

1020253520151 is a `hidden beast` number, since 102 + 0 + 2 + 535 + 20 + 1 + 5 + 1 = 666.

It is not a de Polignac number, because 1020253520151 - 2⁹ = 1020253519639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020253520141) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2862120 + ... + 3198786.

It is an arithmetic number, because the mean of its divisors is an integer number (54644751414).

Almost surely, 2^{1020253520151} is an apocalyptic number.

1020253520151 is a deficient number, since it is larger than the sum of its proper divisors (509799519441).

1020253520151 is an frugal number, since it uses more digits than its factorization.

1020253520151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340842 (or 340827 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 1020253520151 in words is "one trillion, twenty billion, two hundred fifty-three million, five hundred twenty thousand, one hundred fifty-one".