251054235141033 has 32 divisors (see below), whose sum is σ = 354081362985216. Its totient is φ = 157897865714688.

The previous prime is 251054235140999. The next prime is 251054235141049. The reversal of 251054235141033 is 330141532450152.

It is not a de Polignac number, because 251054235141033 - 2²¹ = 251054233043881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 251054235140982 and 251054235141000.

It is not an unprimeable number, because it can be changed into a prime (251054235141733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642813091 + ... + 643203527.

It is an arithmetic number, because the mean of its divisors is an integer number (11065042593288).

Almost surely, 2^{251054235141033} is an apocalyptic number.

251054235141033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

251054235141033 is a deficient number, since it is larger than the sum of its proper divisors (103027127844183).

251054235141033 is a wasteful number, since it uses less digits than its factorization.

251054235141033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518193.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 251054235141033 its reverse (330141532450152), we get a palindrome (581195767591185).

The spelling of 251054235141033 in words is "two hundred fifty-one trillion, fifty-four billion, two hundred thirty-five million, one hundred forty-one thousand, thirty-three".