61254153355 has 8 divisors (see below), whose sum is σ = 73523261232. Its totient is φ = 48991137888.

The previous prime is 61254153287. The next prime is 61254153377. The reversal of 61254153355 is 55335145216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61254153355 - 2¹⁷ = 61254022283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500952 + ... + 1541221.

It is an arithmetic number, because the mean of its divisors is an integer number (9190407654).

Almost surely, 2^61254153355 is an apocalyptic number.

61254153355 is a deficient number, since it is larger than the sum of its proper divisors (12269107877).

61254153355 is a wasteful number, since it uses less digits than its factorization.

61254153355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046205.

The product of its digits is 270000, while the sum is 40.

The spelling of 61254153355 in words is "sixty-one billion, two hundred fifty-four million, one hundred fifty-three thousand, three hundred fifty-five".