1255120100151 has 8 divisors (see below), whose sum is σ = 1746254052480. Its totient is φ = 800366440632.

The previous prime is 1255120100149. The next prime is 1255120100191. The reversal of 1255120100151 is 1510010215521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255120100151 - 2¹ = 1255120100149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255120100191) 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, 9095073121 + ... + 9095073258.

It is an arithmetic number, because the mean of its divisors is an integer number (218281756560).

Almost surely, 2^{1255120100151} is an apocalyptic number.

1255120100151 is a deficient number, since it is larger than the sum of its proper divisors (491133952329).

1255120100151 is a wasteful number, since it uses less digits than its factorization.

1255120100151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190146405.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 1255120100151 its reverse (1510010215521), we get a palindrome (2765130315672).

The spelling of 1255120100151 in words is "one trillion, two hundred fifty-five billion, one hundred twenty million, one hundred thousand, one hundred fifty-one".