1541245643355 has 128 divisors (see below), whose sum is σ = 2879078307840. Its totient is φ = 696926720000.

The previous prime is 1541245643347. The next prime is 1541245643393. The reversal of 1541245643355 is 5533465421451.

It is a happy number.

It is not a de Polignac number, because 1541245643355 - 2³ = 1541245643347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19775794 + ... + 19853576.

It is an arithmetic number, because the mean of its divisors is an integer number (22492799280).

Almost surely, 2^{1541245643355} is an apocalyptic number.

1541245643355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1541245643355 is a deficient number, since it is larger than the sum of its proper divisors (1337832664485).

1541245643355 is a wasteful number, since it uses less digits than its factorization.

1541245643355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77973.

The product of its digits is 4320000, while the sum is 48.

The spelling of 1541245643355 in words is "one trillion, five hundred forty-one billion, two hundred forty-five million, six hundred forty-three thousand, three hundred fifty-five".