253451311155487 has 2 divisors, whose sum is σ = 253451311155488. Its totient is φ = 253451311155486.

The previous prime is 253451311155433. The next prime is 253451311155541. The reversal of 253451311155487 is 784551113154352.

It is a balanced prime because it is at equal distance from previous prime (253451311155433) and next prime (253451311155541).

It is a cyclic number.

It is not a de Polignac number, because 253451311155487 - 2³⁹ = 252901555341599 is a prime.

It is a super-2 number, since 2×253451311155487² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253451311125487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725655577743 + 126725655577744.

It is an arithmetic number, because the mean of its divisors is an integer number (126725655577744).

Almost surely, 2^{253451311155487} is an apocalyptic number.

253451311155487 is a deficient number, since it is larger than the sum of its proper divisors (1).

253451311155487 is an equidigital number, since it uses as much as digits as its factorization.

253451311155487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080000, while the sum is 55.

It can be divided in two parts, 2534513 and 11155487, that added together give a square (13690000 = 3700²).

The spelling of 253451311155487 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, three hundred eleven million, one hundred fifty-five thousand, four hundred eighty-seven".