1010145500251 has 4 divisors (see below), whose sum is σ = 1010506140504. Its totient is φ = 1009784860000.

The previous prime is 1010145500219. The next prime is 1010145500257. The reversal of 1010145500251 is 1520055410101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010145500251 - 2⁵ = 1010145500219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010145500257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180315925 + ... + 180321526.

It is an arithmetic number, because the mean of its divisors is an integer number (252626535126).

Almost surely, 2^{1010145500251} is an apocalyptic number.

1010145500251 is a deficient number, since it is larger than the sum of its proper divisors (360640253).

1010145500251 is an equidigital number, since it uses as much as digits as its factorization.

1010145500251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360640252.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 1010145500251 in words is "one trillion, ten billion, one hundred forty-five million, five hundred thousand, two hundred fifty-one".