253121741327154 has 32 divisors (see below), whose sum is σ = 580389103172736. Its totient is φ = 72092357147520.

The previous prime is 253121741327111. The next prime is 253121741327159. The reversal of 253121741327154 is 451723147121352.

It is a super-2 number, since 2×253121741327154² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253121741327159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9505835467 + ... + 9505862094.

It is an arithmetic number, because the mean of its divisors is an integer number (18137159474148).

Almost surely, 2^{253121741327154} is an apocalyptic number.

253121741327154 is an abundant number, since it is smaller than the sum of its proper divisors (327267361845582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253121741327154 is a wasteful number, since it uses less digits than its factorization.

253121741327154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19011697890.

The product of its digits is 1411200, while the sum is 48.

The spelling of 253121741327154 in words is "two hundred fifty-three trillion, one hundred twenty-one billion, seven hundred forty-one million, three hundred twenty-seven thousand, one hundred fifty-four".