1553254152251 has 2 divisors, whose sum is σ = 1553254152252. Its totient is φ = 1553254152250.

The previous prime is 1553254152227. The next prime is 1553254152257. The reversal of 1553254152251 is 1522514523551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553254152251 - 2²² = 1553249957947 is a prime.

It is a super-2 number, since 2×1553254152251² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1553254152199 and 1553254152208.

It is not a weakly prime, because it can be changed into another prime (1553254152257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776627076125 + 776627076126.

It is an arithmetic number, because the mean of its divisors is an integer number (776627076126).

Almost surely, 2^{1553254152251} is an apocalyptic number.

1553254152251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553254152251 is an equidigital number, since it uses as much as digits as its factorization.

1553254152251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300000, while the sum is 41.

The spelling of 1553254152251 in words is "one trillion, five hundred fifty-three billion, two hundred fifty-four million, one hundred fifty-two thousand, two hundred fifty-one".